US Phone Number Generator

Generate random American phone number with valid area codes and proper formats.

Format Options

About US Phone Numbers

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United States Phone Format

+1 XXX XXX XXXX

Example

+1 213 123 4567

Format Details

US phone numbers are 10 digits long: 3-digit area code + 7-digit local number.

US Phone Number Format Guide

American phone numbers follow a standardized format that consists of:

  • A 3-digit area code (e.g., 212 for New York City)
  • A 3-digit prefix
  • A 4-digit line number

Common US Area Codes

212, 646, 332 - New York City
213, 310, 818 - Los Angeles
312, 773 - Chicago
202 - Washington DC
305, 786 - Miami
415, 628 - San Francisco
617, 857 - Boston
512 - Austin
213 - Los Angeles
702 - Las Vegas

Uses for US Phone Numbers

  • Testing US-focused applications
  • Validating phone number input fields
  • Creating sample data for CRM systems
  • Testing SMS and calling features
  • Database testing with US phone formats