1Make sure to import!
2import React from 'react';
3import { Image, View, Text, TouchableOpacity, StyleSheet, Linking } from 'react-native';
4
5
6<TouchableOpacity
7        onPress={() =>
8          Linking.openURL(
9            'https://www.cbc.ca/news/world/coronavirus-covid19-canada-world-march9-2021-1.5941963'
10          )
11        }>
12        <Text>open cbc</Text>
13</TouchableOpacity>

1import {Linking} from 'react-native'
2Linking.openURL(`tel:${phoneNumber}`)
3