React Phone Number Input

An automated and intuitive international and national phone input field for React with TypeScript support.

Features

• 🌍 International phone number formatting with country code detection
• 🎯 Automatic phone number validation using libphonenumber-js
• 🏳️ Country flags with dropdown selector
• 📱 Mobile-friendly with optimized UX
• ⚙️ Flexible configuration - set default country, preferred countries, or filter by regions
• 🎨 Customizable styling with SCSS support
• 📦 TypeScript first with full type definitions
• ♿ Accessible with proper ARIA attributes
• 🔄 Supports both INTERNATIONAL and NATIONAL formats

Installation

npm install react-phonenr-input

or

yarn add react-phonenr-input

Basic Usage

import { useState } from 'react';
import { PhoneInput } from 'react-phonenr-input';
import 'react-phonenr-input/styles.css';

function App() {
  const [phoneNumber, setPhoneNumber] = useState('');

  return (
    <PhoneInput
      onChange={setPhoneNumber}
      placeholder="+1 702 123 4567"
    />
  );
}

Props

Prop	Type	Default	Description
onChange	(value: PhoneNumber) => void	required	Callback fired when the phone number changes
defaultCountry	CountryCode	-	Default country code (e.g., 'US', 'GB')
initialValue	string	-	Initial phone number value with country code
preferredCountries	CountryCode[]	-	List of countries to show at the top of the dropdown
regions	Region[]	-	Filter countries by region(s)
format	'INTERNATIONAL' \| 'NATIONAL'	'INTERNATIONAL'	Phone number format
withCountryMeta	boolean	false	Include country metadata in the returned value
maxLength	number	21	Maximum input length
disabled	boolean	false	Disable the input
placeholder	string	-	Placeholder text
className	string	-	Custom CSS class name
onFocus	FocusEventHandler	-	Focus event handler
onBlur	FocusEventHandler	-	Blur event handler

Additional HTML input attributes are also supported via the spread operator.

Advanced Examples

With Initial Value

<PhoneInput
  onChange={setPhoneNumber}
  initialValue="+491761234112"
/>

With Default Country

<PhoneInput
  onChange={setPhoneNumber}
  defaultCountry="US"
  placeholder="Enter phone number"
/>

With Preferred Countries

<PhoneInput
  onChange={setPhoneNumber}
  preferredCountries={['US', 'GB', 'DE', 'FR']}
/>

Filter by Regions

<PhoneInput
  onChange={setPhoneNumber}
  regions={['europe', 'north-america']}
/>

With Country Metadata

<PhoneInput
  onChange={setPhoneNumber}
  withCountryMeta
/>

When withCountryMeta is enabled, the onChange callback receives an object with the phone number and country information:

{
  phoneNumber: "+491761234112",
  country: {
    name: "Germany",
    iso2: "DE",
    dialCode: "49",
    // ... additional metadata
  }
}

National Format

<PhoneInput
  onChange={setPhoneNumber}
  format="NATIONAL"
  defaultCountry="US"
/>

Types

PhoneNumber

type PhoneNumber = string | {
  phoneNumber: string;
  country: ICountry;
}

Available Regions

type Region =
  | "asia"
  | "europe"
  | "africa"
  | "north-africa"
  | "oceania"
  | "america"
  | "carribean"
  | "south-america"
  | "ex-ussr"
  | "european-union"
  | "middle-east"
  | "central-america"
  | "north-america"

Styling

Import the default styles:

import 'react-phonenr-input/styles.css';

Or create your own custom styles by targeting the component classes. The component uses BEM methodology for CSS class names.

Development

Prerequisites

• Node.js >= 22
• Yarn or npm

Setup

# Install dependencies
yarn install

# Start Storybook for development
yarn start

# Run tests
yarn test

# Run linting
yarn lint

# Build the library
yarn build

Scripts

• yarn start - Start Storybook development server
• yarn build - Build the library for production
• yarn test - Run tests with Vitest
• yarn lint - Run ESLint and Stylelint
• yarn lint:fix - Fix linting issues automatically
• yarn check-types - Run TypeScript type checking
• yarn ci - Run all checks (lint + tests)

Browser Support

This library supports all modern browsers. For older browsers, you may need to include appropriate polyfills.

Dependencies

• React 19.2.x
• libphonenumber-js - Phone number parsing and validation
• react-country-flag - Country flag components

License

MIT © Kai Hotz

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

Repository

https://github.com/KaiHotz/React-PhoneNr-Input