How does the US phone number generator work?

Our US phone number generator creates valid 10-digit American phone numbers that follow the official NANP (North American Numbering Plan) format with authentic area codes.

Are the generated US phone numbers real?

The generated numbers follow valid US phone number formats with real area codes, but they are randomly generated for testing purposes only. They should not be used for actual communication.

What area codes are supported?

Our generator supports major US area codes including New York (212, 646, 917), California (213, 310, 415), Texas (214, 713, 832), Florida (305, 407, 954), and many more across all 50 states.

US Phone Number Generator - Generate Valid American Phone Numbers

Free US Phone Number Generator Tool

Our advanced US phone number generator creates authentic American phone numbers that comply with the North American Numbering Plan (NANP). Supporting all major area codes across the United States, our tool produces valid number formats perfect for testing, development, registration, and other legitimate purposes. Generate mobile and landline numbers with proper (XXX) XXX-XXXX formatting in just one click.

Generate US Phone Numbers

Generated US Phone Numbers

Click the buttons above to start generating authentic US phone numbers

🇺🇸 Authentic Formats

Generate numbers following official NANP standards with real area codes from all 50 states

📱 Mobile & Landline

Supports both mobile and landline number generation with proper US formatting

⚡ Instant Generation

Generate single numbers or batches of 10 instantly with one-click operation

📋 Easy Copy

Click any generated number to copy it directly to your clipboard for immediate use

Start Generating US Phone Numbers Now

Join thousands of developers and testers who trust our US phone number generator for their projects

US Phone Number Format & Area Code Information

Popular US Area Codes

212 (New York) 213 (Los Angeles) 312 (Chicago) 305 (Miami) 415 (San Francisco) 713 (Houston)

New York Area Codes

Manhattan: 212, 646, 917, 332 - Primary business and residential areas
Brooklyn/Queens/Bronx/Staten Island: 718, 347, 929 - Outer boroughs
Coverage: Serves over 8 million residents in New York City metro area

California Area Codes

Los Angeles: 213, 323, 310, 424, 818 - Greater LA metropolitan area
San Francisco Bay Area: 415, 510, 650, 925 - Northern California region
San Diego: 619, 858 - Southern California coastal area

Texas Area Codes

Houston: 713, 281, 832 - Energy capital and largest city in Texas
Dallas-Fort Worth: 214, 469, 972, 817 - DFW metropolitan complex
Austin: 512, 737 - State capital and tech hub

US Phone Number Format Structure

Total Length: US phone numbers are exactly 10 digits long
Format Pattern: (XXX) XXX-XXXX or XXX-XXX-XXXX
Area Code: First 3 digits identify the geographic region
Exchange Code: Next 3 digits identify the local exchange
Subscriber Number: Last 4 digits identify the specific line
International Format: +1 (XXX) XXX-XXXX (with US country code +1)

Tool Usage Guidelines & Best Practices

Testing Purpose: Generated numbers are for testing, development, and educational purposes only
No Real Communication: Do not use for actual calls, SMS, or registration with real services
Copy Functionality: Click any generated number to instantly copy it to your clipboard
Batch Generation: Generate up to 10 numbers at once for efficiency
NANP Compliance: All numbers follow North American Numbering Plan standards
Privacy: No data is stored or transmitted - all generation happens locally