react-native-tel-input

npm i react-native-tel-input --save

Usage

import React, {useState} from 'react';
import {View, Text, StyleSheet} from 'react-native';
import PhoneInput, {isValidPhoneNumber} from 'react-native-input-phone';

const Example = () => {
  const [phoneNumber, setPhoneNumber] = useState('');
  const [formattedText, setFormattedText] = useState();
  const [country, setCountry] = useState('IN');
  const [callingCode, setCallingCode] = useState();

  return (
    <View style={styles.container}>
      <View style={styles.output}>
        <Text>
          {JSON.stringify(
            {
              phoneNumber: phoneNumber,
              countryCode: country,
              callingCode: callingCode,
              formattedText: formattedText,
              isValid: isValidPhoneNumber(phoneNumber, country),
            },
            null,
            2,
          )}
        </Text>
      </View>
      <PhoneInput
        value={phoneNumber}
        countryCode={country}
        onChange={setPhoneNumber}
        onCountryChange={setCountry}
        onFormattedText={setFormattedText}
        onCallingCodeChange={setCallingCode}
      />
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    width: '100%',
  },
  output: {
    alignItems: 'center',
    margin: 16,
  },
});
export default Example;

Props

• value: string;--(phone number with or without callingcode)
• countryCode: string; --(two letter country code)
• onChange?: (value: string) => void;
• onCountryChange?: (value: string) => void;
• onFormattedText?: (value: string) => void;
• onCallingCodeChange?: (value: string) => void;
• disable?: boolean;
• containerStyle?: StyleProp;
• inputStyle?: StyleProp;

Helper methods

• isValidPhoneNumber(phoneNumber: string,countryCode?: string): boolean;

isvalidphonenumber(formattedtext)

or

isvalidphonenumber(value,countrycode)