If you’re in the central Colorado area and need to get ahold of someone, chances are you’ll be using area code 720. The main locations covered by this area code include Denver, Thornton, Arvada—and they’re all pretty close together! 720 has been in service since June 1st, 1998. It’s part of an overlay complex that…

The area code 719 is the area code for Colorado. It’s been in service since March 05, 1988, and it’s been serving residents of Colorado Springs, Pueblo, Fountain and other cities since then. Colorado Counties within Area Code 719: El Paso, Pueblo, Fremont, Teller, Otero, Chaffee, Las Animas, Alamosa, Elbert, Park, Prowers, Rio Grande, Conejos, Lake, Kit…

Area code 303 is located in central Colorado, covering Denver, Aurora, Lakewood, Thornton, Arvada, Westminster and Centennial. It was put into service on January 01, 1947. Area code 303 is the older Numbering Plan Area in overlay complex 303/720/983. Colorado Counties within Area Code 303: Denver, Arapahoe, Jefferson, Adams, Boulder, Douglas, Broomfield, Weld, Elbert, Clear Creek, Gilpin, Park. Colorado…

Area code 310 is in California, USA. The area code was put into service on November 2, 1991 and currently has the telephone area code 310. It has been serving Torrance, Inglewood, Compton and its surrounding areas since then. It is one of the overlay codes that are part of the 310/424 number plan. California…

Area code 279 is a California area code that was split from area code 916. The new area code went into service on March 10, 2018, and serves Sacramento and its surrounding areas. California Counties within Area Code 279: Sacramento, Placer, Yolo, El Dorado. California Major Cities within Area Code 279: Sacramento, Elk Grove, Roseville, Arden-Arcade, Citrus…

Area code 213 serves parts of Los Angeles, CA and the surrounding areas. It was created on January 01, 1947 as an overlay code part of the overlay complex 323/213. California Counties within Area Code 213: Los Angeles California Major Cities within Area Code 213: Los Angeles, East Los Angeles, South Gate, Florence-Graham, Montebello, Huntington…

209 Area Code located in California and covers Stockton, Modesto, Tracy, Merced, and Turlock. Was one of the original area codes put into place in January of 1958. California Counties within Area Code 209: San Joaquin, Stanislaus, Merced, Sacramento, Tuolumne, Calaveras, Amador, Mariposa. California Major Cities within Area Code 209: Stockton, Modesto, Tracy, Merced, Turlock,…

Area code 773 serves the city of Chicago, Illinois, as well as some of its suburbs. It was implemented on October 12, 1996. Illinois Counties within Area Code 773: Cook Illinois Major Cities within Area Code 773: Chicago Area Code 773 Time Zone? Central time zone is also known as America/Chicago. Go here to see…

Area Code 938 is an overlay for area code 256, which is located in northeastern Alabama and covers Huntsville, Decatur, and Madison. Alabama Counties within Area Code 938: Madison, Morgan, Calhoun, Marshall, Lauderdale, Etowah, Limestone, Cullman, Talladega, DeKalb, Colbert, Jackson, Tallapoosa, Lawrence, Cherokee, Franklin, Randolph, Cleburne, Clay, Coosa, Winston, St. Clair, Blount. Alabama Major Cities…

The 708 area code covers a large swath of the Chicago area, including Cicero, Orland Park, Berwyn, Oak Lawn, and Oak Park. The 708 area code has been in use since 1989. Illinois Counties within Area Code 708: Cook, Will Illinois Major Cities within Area Code 708: Cicero, Orland Park, Berwyn, Oak Lawn, Oak Park,…