Area codes

US area codes

Each page shows what NANPA's public reports say about an area code: the places it covers, how many exchanges are in use, which carriers its numbers were assigned to, and its overlays.

Alabama

  • 256 Huntsville, Decatur and Anniston

California

  • 209 Modesto, Stockton and Merced
  • 213 Los Angeles
  • 530 Chico, Redding and Marysville
  • 559 Fresno, Visalia and Clovis
  • 657 Anaheim, Santa Ana and Huntington Beach
  • 707 Santa Rosa, Napa and Vallejo
  • 760 Palm Springs, Escondido and Victorville
  • 909 Ontario, San Bernardino and Fontana
  • 949 Irvine and Newport Beach
  • 951 Riverside, Corona and Temecula

Colorado

Florida

  • 561 West Palm Beach, Boca Raton and Delray Beach
  • 786 Miami
  • 904 Jacksonville

Georgia

Illinois

  • 224 Northbrook, Arlington Heights and Des Plaines

Maine

  • 207 Portland, Bangor and Lewiston

Maryland

  • 240 the Washington suburbs and Frederick
  • 443 Baltimore, Annapolis and Towson

Massachusetts

  • 781 Waltham, Lexington and Lynn
  • 978 Lawrence, Lowell and Billerica

Missouri

  • 573 Columbia, Jefferson City and Cape Girardeau
  • 816 Kansas City and St. Joseph

New York

  • 315 Syracuse, Utica and Watertown
  • 347 New York City
  • 518 Albany, Schenectady and Glens Falls
  • 631 Suffolk County, Long Island
  • 646 Manhattan, New York City
  • 716 Buffalo, Tonawanda and Jamestown
  • 845 Poughkeepsie, Newburgh and Middletown
  • 929 New York City

Ohio

  • 740 Newark, Lancaster and Zanesville

Oklahoma

  • 405 Oklahoma City, Edmond and Bethany

Pennsylvania

  • 267 Philadelphia
  • 484 Allentown, Reading and West Chester
  • 570 Scranton, Wilkes-Barre and Williamsport
  • 717 Harrisburg, Lancaster and York
  • 724 Greensburg, Washington and Butler

South Carolina

  • 864 Greenville, Spartanburg and Anderson

Texas

  • 210 San Antonio
  • 346 Houston
  • 469 Dallas, Plano and Grand Prairie
  • 832 Houston
  • 956 Laredo, Brownsville and McAllen

Virginia

  • 540 Roanoke, Fredericksburg and Harrisonburg
  • 571 Northern Virginia, near Washington
  • 757 Norfolk and Newport News
  • 804 Richmond and Petersburg

More area codes are added as we check each one.