Wsrtjtyk

I am from India, am working on an android app, In this the Indian mobile numbers are successfully getting OTP from the firebase where the international mobile numbers that are used in physical devices in their respective countries are not getting OTP. I have tried using the international dummy numbers from this portal online sms OTP portal are getting OTP through online except United states numbers, but the OTP not receiving for international numbers in their physical devices.
I have followed the steps from the firebase Documentation but it didn't help me.

Thanks in advance

activity_number.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context="com.pmkmap.Activities.NumberActivity">





    <LinearLayout

        android:id="@+id/number_layout"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:orientation="vertical">



        <ImageView

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:adjustViewBounds="true"

            android:src="@drawable/pmk_background_pic" />



        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_gravity="center"

            android:layout_marginTop="10dp"

            android:text="PMK"

            android:textColor="@color/blue"

            android:textSize="15sp"

            android:textStyle="bold"

            android:visibility="gone" />





        <LinearLayout

            android:layout_width="match_parent"

            android:layout_height="match_parent"

            android:orientation="horizontal">



            <com.hbb20.CountryCodePicker

                android:id="@+id/ccp"

                android:layout_width="130dp"

                android:layout_height="wrap_content"

                android:layout_marginLeft="20dp"

                android:layout_marginTop="40dp"               />



            <EditText

                android:id="@+id/enter_number"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

                android:layout_marginRight="20dp"

                android:layout_marginTop="40dp"

                android:digits="0123456789"

                android:hint="@string/enter_your_no"

                android:inputType="phone"

                android:textSize="15dp" />

        </LinearLayout>



        <Button

            android:id="@+id/generate_otp"

            android:layout_width="150dp"

            android:layout_height="wrap_content"

            android:layout_gravity="center"

            android:layout_marginTop="20dp"

            android:background="@drawable/button_background"

            android:text="@string/genrate_otp"

            android:textColor="@color/white" />





        <EditText

            android:id="@+id/enter_otp"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_marginLeft="60dp"

            android:layout_marginRight="30dp"

            android:layout_marginTop="20dp"

            android:hint="@string/enterur_otp"

            android:inputType="numberPassword"

            android:maxLength="6"

            android:visibility="gone" />



        <Button

            android:id="@+id/verify"

            android:layout_width="150dp"

            android:layout_height="wrap_content"

            android:layout_gravity="center"

            android:layout_marginTop="20dp"

            android:background="@drawable/button_background"

            android:text="@string/verify"

            android:textColor="@color/white"

            android:visibility="gone" />



        <TextView

            android:id="@+id/resend_otp"

            android:layout_width="150dp"

            android:layout_height="wrap_content"

            android:layout_gravity="center"

            android:layout_marginTop="5dp"

            android:gravity="center"

            android:text="@string/resend_otp"

            android:textColor="@color/blue"

            android:visibility="gone" />



    </LinearLayout>



</LinearLayout>

NumberActivity.java

package com.pmkmap.Activities;



import android.app.Activity;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.Build;

import android.os.Bundle;

import android.support.annotation.NonNull;

import android.support.annotation.RequiresApi;

import android.support.v7.app.AlertDialog;

import android.support.v7.app.AppCompatActivity;

import android.util.Log;

import android.view.View;

import android.view.inputmethod.InputMethodManager;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.Toast;



import com.google.android.gms.analytics.HitBuilders;

import com.google.android.gms.analytics.Tracker;

import com.google.android.gms.tasks.OnCompleteListener;

import com.google.android.gms.tasks.OnFailureListener;

import com.google.android.gms.tasks.OnSuccessListener;

import com.google.android.gms.tasks.Task;

import com.google.firebase.FirebaseException;

import com.google.firebase.FirebaseTooManyRequestsException;

import com.google.firebase.auth.AuthResult;

import com.google.firebase.auth.FirebaseAuth;

import com.google.firebase.auth.FirebaseAuthInvalidCredentialsException;

import com.google.firebase.auth.PhoneAuthCredential;

import com.google.firebase.auth.PhoneAuthProvider;

import com.google.firebase.firestore.DocumentSnapshot;

import com.google.firebase.firestore.FirebaseFirestore;

import com.google.firebase.iid.FirebaseInstanceId;

import com.google.firebase.perf.metrics.AddTrace;

import com.hbb20.CountryCodePicker;

import com.pmkmap.Modals.UserTokenModal;

import com.pmkmap.R;

import com.pmkmap.Utility;



import java.util.Map;

import java.util.concurrent.TimeUnit;



public class NumberActivity extends AppCompatActivity implements View.OnClickListener {

    private static final String TAG = "PhoneAuthActivity";

    EditText enterNoEdt, enterOtpEdt;

    Button generateOpt, verifyOtp;

    TextView resendOtp;

    String mVerificationId, countryCode, countryName, mobileNo;

    CountryCodePicker countryCodePicker;

    private FirebaseAuth mAuth;

    private PhoneAuthProvider.ForceResendingToken mResendToken;

    private PhoneAuthProvider.OnVerificationStateChangedCallbacks mCallBacks;

    private FirebaseFirestore firestoreDB;

    private Tracker mTracker;



    public static void hideSoftKeyboard(Activity activity) {

        try {

            InputMethodManager inputMethodManager =

                    (InputMethodManager) activity.getSystemService(Activity.INPUT_METHOD_SERVICE);

            inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(), 0);

        } catch (Exception e) {

            e.printStackTrace();

        }

    }



    @AddTrace(name = "NumberInput_trace", enabled = true)

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_number);

        getSupportActionBar().hide();

        findID();

        clickListener();

        AnalyticsApplication application = (AnalyticsApplication) getApplication();

        mTracker = application.getDefaultTracker();

        mAuth = FirebaseAuth.getInstance();

        firestoreDB = FirebaseFirestore.getInstance();

        mCallBacks = new PhoneAuthProvider.OnVerificationStateChangedCallbacks() {

            @Override

            public void onVerificationCompleted(PhoneAuthCredential phoneAuthCredential) {

                Log.e(TAG, "onVerificationCompleted:" + phoneAuthCredential);

                if (mVerificationId == null) {

                    signInWithPhoneAuthCredential(phoneAuthCredential);

                }

            }



            @Override

            public void onVerificationFailed(FirebaseException e) {

                Log.e(TAG, "onVerificationFailed", e);

                Utility.hideProgressDialog();

                if (e instanceof FirebaseAuthInvalidCredentialsException) {

                    enterNoEdt.setError("தவறான அலைபேசி எண் !");

                } else if (e instanceof FirebaseTooManyRequestsException) {

                    Toast.makeText(NumberActivity.this, "Quota exceeded.", Toast.LENGTH_SHORT).show();

                }

            }



            @Override

            public void onCodeSent(String verificationId, PhoneAuthProvider.ForceResendingToken forceResendingToken) {

                Log.d(TAG, "onCodeSent:" + verificationId);

                Toast.makeText(NumberActivity.this, "உங்கள் அலைபேசி எண்ணிற்கு OTP வெற்றிகரமாக அனுப்பப்பட்டது", Toast.LENGTH_SHORT).show();

                mVerificationId = verificationId;

                mResendToken = forceResendingToken;

                Utility.hideProgressDialog();

                generateOpt.setVisibility(View.GONE);

                enterOtpEdt.setVisibility(View.VISIBLE);

                verifyOtp.setVisibility(View.VISIBLE);

                resendOtp.setVisibility(View.VISIBLE);

            }

        };



    }



    @Override

    protected void onResume() {

        super.onResume();

        mTracker.setScreenName("Image~" + "Mobile_Number_Input");

        mTracker.send(new HitBuilders.ScreenViewBuilder().build());

    }



    public void findID() {

        enterNoEdt = findViewById(R.id.enter_number);

        generateOpt = findViewById(R.id.generate_otp);

        verifyOtp = findViewById(R.id.verify);

        enterOtpEdt = findViewById(R.id.enter_otp);

        resendOtp = findViewById(R.id.resend_otp);



        countryCodePicker = findViewById(R.id.ccp);

    }



    private void signInWithPhoneAuthCredential(final PhoneAuthCredential credential) {

        mAuth.signInWithCredential(credential).addOnCompleteListener(new OnCompleteListener<AuthResult>() {

            @RequiresApi(api = Build.VERSION_CODES.KITKAT)

            @Override

            public void onComplete(@NonNull Task<AuthResult> task) {

                if (task.isSuccessful()) {

                    if (countryCode.equalsIgnoreCase("+91")) {

                        getUsers();

                    } else {

                        getIntUsers();

                    }



                } else {

                    Log.w(TAG, "signInWithCredential:failure", task.getException());

                    if (task.getException() instanceof FirebaseAuthInvalidCredentialsException) {

                        Utility.hideProgressDialog();

                        Toast.makeText(NumberActivity.this, task.getException().getMessage(), Toast.LENGTH_SHORT).show();

                        enterOtpEdt.setError("Invalid code");

                    }

                }

            }

        });

    }



    private void startPhoneNumberVerification(String phoneNumber) {

        PhoneAuthProvider.getInstance().verifyPhoneNumber(

                phoneNumber,       

                30,                 

                TimeUnit.SECONDS,  

                this,               

                mCallBacks);

    }



    private void verifyPhoneNumberWithCode(String verificationId, String code) {

        PhoneAuthCredential credential = PhoneAuthProvider.getCredential(verificationId, code);

        signInWithPhoneAuthCredential(credential);

    }



    private void resendVerificationCode(String phoneNumber, PhoneAuthProvider.ForceResendingToken token) {

        PhoneAuthProvider.getInstance().verifyPhoneNumber(

                phoneNumber,        

                30,                 

                TimeUnit.SECONDS,   

                this,               

                mCallBacks,         

                token);            

    }



    public void clickListener() {

        generateOpt.setOnClickListener(this);

        verifyOtp.setOnClickListener(this);

        resendOtp.setOnClickListener(this);

    }



    @AddTrace(name = "Number_trace", enabled = true)

    @Override

    public void onClick(View v) {

        if (v == generateOpt) {

            try {

                if (Utility.isNetworkAvailable(NumberActivity.this)) {

                    if (enterNoEdt.getText().toString().equalsIgnoreCase("")) {

                        Toast.makeText(this, "தாங்கள் அலைபேசி எண்ணை பதிவு செய்யவும்", Toast.LENGTH_SHORT).show();

                    } else {

                        hideSoftKeyboard(NumberActivity.this);

                        Utility.showProgressDialog(NumberActivity.this);

                        mobileNo = enterNoEdt.getText().toString();

                        getCountryCode();

                        startPhoneNumberVerification(countryCode + mobileNo);

                    }

                } else {

                    Toast.makeText(this, "தாங்கள் இணையதள இணைப்பை சரி பார்க்கவும்", Toast.LENGTH_SHORT).show();

                    Utility.hideProgressDialog();

                }

            } catch (Exception e) {

                e.printStackTrace();

                Utility.hideProgressDialog();

            }

        }

        if (v == verifyOtp) {

            try {

                if (Utility.isNetworkAvailable(NumberActivity.this)) {



                    if (enterOtpEdt.getText().toString().equalsIgnoreCase("")) {

                        Toast.makeText(this, "OTP ஐ பதிவு செய்க", Toast.LENGTH_SHORT).show();

                    } else {

                        hideSoftKeyboard(NumberActivity.this);

                        Utility.showProgressDialog(NumberActivity.this);

                        verifyPhoneNumberWithCode(mVerificationId, enterOtpEdt.getText().toString());

                    }



                } else {

                    Toast.makeText(this, "தாங்கள் இணையதள இணைப்பை சரி பார்க்கவும்", Toast.LENGTH_SHORT).show();

                    Utility.hideProgressDialog();

                }

            } catch (Exception e) {

                e.printStackTrace();

                Utility.hideProgressDialog();

            }

        }

        if (v == resendOtp) {

            try {

                if (Utility.isNetworkAvailable(NumberActivity.this)) {

                    if (enterNoEdt.getText().toString().equalsIgnoreCase("")) {

                        Toast.makeText(this, "தாங்கள் அலைபேசி எண்ணை பதிவு செய்யவும்", Toast.LENGTH_SHORT).show();

                    } else {

                        hideSoftKeyboard(NumberActivity.this);

                        Utility.showProgressDialog(NumberActivity.this);

                        mobileNo = enterNoEdt.getText().toString();

                        getCountryCode();

                        resendVerificationCode(countryCode + mobileNo, mResendToken);

                    }

                } else {

                    Toast.makeText(this, "தாங்கள் இணையதள இணைப்பை சரி பார்க்கவும்", Toast.LENGTH_SHORT).show();

                    Utility.hideProgressDialog();

                }

            } catch (Exception e) {

                e.printStackTrace();

                Utility.hideProgressDialog();

            }

        }

    }



    private void getUsers() {

        firestoreDB.collection("users").document(countryCode + mobileNo).get().addOnCompleteListener(new OnCompleteListener<DocumentSnapshot>() {

            @Override

            public void onComplete(@NonNull Task<DocumentSnapshot> task) {

                try {

                    if (task.isSuccessful()) {

                        sendToken();

                        DocumentSnapshot document = task.getResult();

                        if (document.exists()) {

                            Map<String, Object> array = document.getData();

                            if (array.get("blocked").toString().equalsIgnoreCase("no")) {

                                Log.e(">>>", array.toString());

                                checkLoginStatus();

                                getMyAccountDetailPref();

                                Log.e(">>>>", document.getId());

                                startActivity(new Intent(NumberActivity.this, HomeActivity.class));

                                finish();

                            } else {

                                AlertDialog.Builder builder = new AlertDialog.Builder(NumberActivity.this);

                                builder.setMessage("Your account is blocked by admin.")

                                        .setCancelable(false)

                                        .setPositiveButton("Ok", new DialogInterface.OnClickListener() {

                                            @Override

                                            public void onClick(DialogInterface dialog, int which) {

                                                NumberActivity.this.finish();

                                            }

                                        });

                                AlertDialog alert = builder.create();

                                alert.show();

                            }



                        } else {

                            gotoNextActivity();

                        }

                    } else {

                        try {

                            sendToken();

                            gotoNextActivity();

                            Log.d(TAG, "Error getting documents: ", task.getException());

                        } catch (Exception e) {

                            Toast.makeText(NumberActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();

                            e.printStackTrace();

                        }

                    }

                } catch (Exception e) {

                    Toast.makeText(NumberActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();

                    e.printStackTrace();

                    e.printStackTrace();

                }

            }



        }).addOnFailureListener(new OnFailureListener() {

            @Override

            public void onFailure(@NonNull Exception e) {

                Log.e(">>>", e.toString());

            }

        });

    }



    private void getIntUsers() {

        firestoreDB.collection("int_users").document(countryCode + mobileNo).get().addOnCompleteListener(new OnCompleteListener<DocumentSnapshot>() {

            @Override

            public void onComplete(@NonNull Task<DocumentSnapshot> task) {

                try {

                    if (task.isSuccessful()) {

                        sendToken();

                        DocumentSnapshot document = task.getResult();

                        if (document.exists()) {

                            Map<String, Object> array = document.getData();

                            if (array.get("blocked").toString().equalsIgnoreCase("no")) {

                                Log.e(">>>", array.toString());

                                checkLoginStatus();

                                getMyAccountDetailPref();

                                Log.e(">>>>", document.getId());

                                startActivity(new Intent(NumberActivity.this, HomeActivity.class));

                                finish();

                            } else {

                                AlertDialog.Builder builder = new AlertDialog.Builder(NumberActivity.this);

                                builder.setMessage("Your account is blocked by admin.")

                                        .setCancelable(false)

                                        .setPositiveButton("Ok", new DialogInterface.OnClickListener() {

                                            @Override

                                            public void onClick(DialogInterface dialog, int which) {

                                                NumberActivity.this.finish();

                                            }

                                        });

                                AlertDialog alert = builder.create();

                                alert.show();

                            }



                        } else {

                            gotoNextActivity();

                        }

                    } else {

                        try {

                            sendToken();

                            gotoNextActivity();

                            Log.d(TAG, "Error getting documents: ", task.getException());

                        } catch (Exception e) {

                            Toast.makeText(NumberActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();

                            e.printStackTrace();

                        }

                    }

                } catch (Exception e) {

                    Toast.makeText(NumberActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();

                    e.printStackTrace();

                    e.printStackTrace();

                }

            }



        }).addOnFailureListener(new OnFailureListener() {

            @Override

            public void onFailure(@NonNull Exception e) {

                Log.e(">>>", e.toString());

            }

        });

    }



    public void gotoNextActivity() {

        if (countryCode.equalsIgnoreCase("+91")) {

            getMyAccountDetailPref();

        } else {

            getMyIntAccountDetailPref();

        }



        if (countryCode.equalsIgnoreCase("+91")) {

            startActivity(new Intent(NumberActivity.this, SaveInformationActivity.class).putExtra("mobile_no", countryCode + mobileNo));

            finish();

        } else {

            startActivity(new Intent(NumberActivity.this, IntSaveInformationActivity.class).putExtra("mobile_no", countryCode + mobileNo)

                    .putExtra("countryName", countryName));

            finish();

        }



    }



    public void checkLoginStatus() {

        SharedPreferences settings = getSharedPreferences(SaveInformationActivity.PREFS_NAME, 0);

        SharedPreferences.Editor editor = settings.edit();

        editor.putBoolean("hasLoggedIn", true);

        editor.commit();

    }



    public void getMyAccountDetailPref() {

        SharedPreferences.Editor editor = getSharedPreferences("mobile_no", MODE_PRIVATE).edit();

        editor.putString("user_mobile", countryCode + mobileNo);

        editor.apply();

    }



    public void getMyIntAccountDetailPref() {

        SharedPreferences.Editor editor = getSharedPreferences("mobile_no", MODE_PRIVATE).edit();

        editor.putString("user_mobile", countryCode + mobileNo);

        editor.apply();

    }



    public void getCountryCode() {

        countryCode = countryCodePicker.getFullNumberWithPlus();

        countryName = countryCodePicker.getSelectedCountryName();

    }



    public void sendToken() {

        try {

            String token = FirebaseInstanceId.getInstance().getToken();

            SharedPreferences.Editor editor = getSharedPreferences("user_token", MODE_PRIVATE).edit();

            editor.putString("token", token);

            editor.apply();

            UserTokenModal userTokenModal = new UserTokenModal(token);

            firestoreDB.collection("userToken").document(countryCode + mobileNo).set(userTokenModal).addOnSuccessListener(new OnSuccessListener<Void>() {

                @Override

                public void onSuccess(Void documentReference) {

                    try {

                        Log.e(">>>>", "token sent succefully");



                    } catch (Exception e) {

                        e.printStackTrace();

                    }



                }

            }).addOnFailureListener(new OnFailureListener() {

                @Override

                public void onFailure(@NonNull Exception e) {

                    Log.w(">>>", "Error adding event document", e);

                    Toast.makeText(NumberActivity.this,

                            e.getMessage(),

                            Toast.LENGTH_SHORT).show();

                    Utility.hideProgressDialog();

                }

            });

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

}

Firebase Authentication supports phone number verification across the world. Here is the list of Firebase supported countries:

AD  Andorra

AE  United Arab Emirates

AF  Afghanistan

AG  Antigua and Barbuda

AL  Albania

AM  Armenia

AO  Angola

AR  Argentina

AS  American Samoa

AT  Austria

AU  Australia

AW  Aruba

BA  Bosnia and Herzegovina

BB  Barbados

BD  Bangladesh

BE  Belgium

BF  Burkina Faso

BG  Bulgaria

BJ  Benin

BM  Bermuda

BN  Brunei Darussalam

BO  Bolivia

BR  Brazil

BS  Bahamas

BT  Bhutan

BW  Botswana

BY  Belarus

BZ  Belize

CA  Canada

CD  Congo, (Kinshasa)

CF  Central African Republic

CG  Congo (Brazzaville)

CH  Switzerland

CI  Côte d'Ivoire

CK  Cook Islands

CL  Chile

CM  Cameroon

CO  Colombia

CR  Costa Rica

CV  Cape Verde

CW  Curaçao

CY  Cyprus

CZ  Czech Republic

DE  Germany

DJ  Djibouti

DK  Denmark

DM  Dominica

DO  Dominican Republic

DZ  Algeria

EC  Ecuador

EG  Egypt

ES  Spain

ET  Ethiopia

FI  Finland

FJ  Fiji

FK  Falkland Islands (Malvinas)

FM  Micronesia, Federated States of

FO  Faroe Islands

FR  France

GA  Gabon

GB  United Kingdom

GD  Grenada

GE  Georgia

GF  French Guiana

GG  Guernsey

GH  Ghana

GI  Gibraltar

GL  Greenland

GM  Gambia

GP  Guadeloupe

GQ  Equatorial Guinea

GR  Greece

GT  Guatemala

GY  Guyana

HK  Hong Kong, SAR China

HN  Honduras

HR  Croatia

HT  Haiti

HU  Hungary

ID  Indonesia

IE  Ireland

IL  Israel

IM  Isle of Man

IN  India

IQ  Iraq

IT  Italy

JE  Jersey

JM  Jamaica

JO  Jordan

JP  Japan

KE  Kenya

KG  Kyrgyzstan

KH  Cambodia

KM  Comoros

KN  Saint Kitts and Nevis

KR  Korea (South)

KW  Kuwait

KY  Cayman Islands

KZ  Kazakhstan

LA  Lao PDR

LB  Lebanon

LC  Saint Lucia

LI  Liechtenstein

LK  Sri Lanka

LS  Lesotho

LT  Lithuania

LU  Luxembourg

LV  Latvia

LY  Libya

MA  Morocco

MD  Moldova

ME  Montenegro

MF  Saint-Martin (French part)

MG  Madagascar

MK  Macedonia, Republic of

MM  Myanmar

MN  Mongolia

MO  Macao, SAR China

MS  Montserrat

MT  Malta

MU  Mauritius

MW  Malawi

MX  Mexico

MY  Malaysia

MZ  Mozambique

NA  Namibia

NC  New Caledonia

NE  Niger

NF  Norfolk Island

NG  Nigeria

NI  Nicaragua

NL  Netherlands

NO  Norway

NP  Nepal

NZ  New Zealand

OM  Oman

PA  Panama

PE  Peru

PG  Papua New Guinea

PH  Philippines

PK  Pakistan

PL  Poland

PM  Saint Pierre and Miquelon

PR  Puerto Rico

PS  Palestinian Territory

PT  Portugal

PY  Paraguay

QA  Qatar

RE  Réunion

RO  Romania

RS  Serbia

RU  Russian Federation

RW  Rwanda

SA  Saudi Arabia

SC  Seychelles

SD  Sudan

SE  Sweden

SG  Singapore

SH  Saint Helena

SI  Slovenia

SK  Slovakia

SL  Sierra Leone

SN  Senegal

SR  Suriname

ST  Sao Tome and Principe

SV  El Salvador

SY  Syrian Arab Republic (Syria)

SZ  Swaziland

TC  Turks and Caicos Islands

TG  Togo

TH  Thailand

TL  Timor-Leste

TM  Turkmenistan

TO  Tonga

TR  Turkey

TT  Trinidad and Tobago

TW  Taiwan, Republic of China

TZ  Tanzania, United Republic of

UA  Ukraine

UG  Uganda

US  United States of America

UY  Uruguay

UZ  Uzbekistan

VC  Saint Vincent and Grenadines

VE  Venezuela (Bolivarian Republic)

VG  British Virgin Islands

VI  Virgin Islands, US

VN  Viet Nam

WS  Samoa

YE  Yemen

YT  Mayotte

ZA  South Africa

ZM  Zambia

ZW  Zimbabwe

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