US Area Code Map

Prepared for educational and reference requirements, the US Area Code Map illustrates regional layouts and geographic boundaries clearly, ideal for learning, planning, and geographic reference needs. Download this US Area Code Map for offline reference by using the Download Now option below.

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About US Area Code Map

Explore US telephone area code Map showing all the dialing area codes used in United States to make telephone calls.

US Area Codes by State

State	Current Capital	Historical Capitals	Area Codes
Alabama	Montgomery	Cahaba, Tuscaloosa	205, 251, 256, 334, 938
Alaska	Juneau	Sitka	907
Arizona	Phoenix	Prescott, Tucson	480, 520, 602, 623, 928
Arkansas	Little Rock	Arkadelphia	479, 501, 870
California	Sacramento	San Jose, Vallejo, Benicia	209, 213, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 650, 657, 661, 707, 714, 747, 760, 805, 818, 820, 831, 858, 909, 916, 925, 949, 951
Colorado	Denver	Colorado City, Golden	303, 719, 720, 970
Connecticut	Hartford	New Haven, Wethersfield	203, 475, 860, 959
Delaware	Dover	New Castle	302
Florida	Tallahassee	Various provisional capitals	239, 305, 321, 352, 386, 407, 561, 727, 754, 772, 786, 813, 850, 863, 904, 941, 954
Georgia	Atlanta	Savannah, Louisville, Milledgeville	229, 404, 470, 478, 678, 706, 762, 770, 912
Hawaii	Honolulu	Lahaina	808
Idaho	Boise	Lewiston	208, 986
Illinois	Springfield	Kaskaskia, Vandalia	217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872
Indiana	Indianapolis	Corydon	219, 260, 317, 463, 574, 765, 812, 930
Iowa	Des Moines	Iowa City	319, 515, 563, 641, 712
Kansas	Topeka	Various locations	316, 620, 785, 913
Kentucky	Frankfort	Lexington	270, 364, 502, 606, 859
Louisiana	Baton Rouge	New Orleans, Donaldsonville, Shreveport	225, 318, 337, 504, 985
Maine	Augusta	Portland	207
Maryland	Annapolis	St. Mary's City	240, 301, 410, 443, 667
Massachusetts	Boston	Various colonial locations	339, 351, 413, 508, 617, 774, 781, 857, 978
Michigan	Lansing	Detroit	231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989
Minnesota	Saint Paul	Saint Peter	218, 320, 507, 612, 651, 763, 952
Mississippi	Jackson	Natchez, Columbia	228, 601, 662, 769
Missouri	Jefferson City	St. Charles	314, 417, 573, 636, 660, 816, 975
Montana	Helena	Bannack, Virginia City	406
Nebraska	Lincoln	Omaha	308, 402, 531
Nevada	Carson City	Genoa	702, 725, 775
New Hampshire	Concord	Exeter	603
New Jersey	Trenton	Perth Amboy, Princeton	201, 551, 609, 640, 732, 848, 856, 862, 908, 973
New Mexico	Santa Fe	Mesilla	505, 575
New York	Albany	Kingston, New York City	212, 315, 332, 347, 516, 518, 585, 607, 631, 646, 680, 716, 718, 838, 845, 914, 917, 929, 934
North Carolina	Raleigh	New Bern, Fayetteville	252, 336, 704, 743, 828, 910, 919, 980, 984
North Dakota	Bismarck	Yankton (Territorial)	701
Ohio	Columbus	Chillicothe, Zanesville	216, 220, 234, 283, 330, 380, 419, 440, 513, 567, 614, 740, 937
Oklahoma	Oklahoma City	Guthrie	405, 539, 572, 580, 918
Oregon	Salem	Oregon City	458, 503, 541, 971
Pennsylvania	Harrisburg	Philadelphia, Lancaster	215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 878
Rhode Island	Providence	Newport	401
South Carolina	Columbia	Charleston	803, 839, 843, 854, 864
South Dakota	Pierre	Yankton (Territorial)	605
Tennessee	Nashville	Knoxville, Kingston, Murfreesboro	423, 615, 629, 731, 865, 901, 931
Texas	Austin	Houston, Washington-on-the-Brazos	210, 214, 254, 281, 325, 346, 361, 409, 430, 432, 469, 512, 682, 713, 737, 806, 817, 830, 832, 903, 915, 936, 940, 945, 956, 972, 979
Utah	Salt Lake City	Fillmore	385, 435, 801
Vermont	Montpelier	Windsor	802
Virginia	Richmond	Williamsburg, Jamestown	276, 434, 540, 571, 703, 757, 804
Washington	Olympia	Various provisional capitals	206, 253, 360, 425, 509
West Virginia	Charleston	Wheeling	304, 681
Wisconsin	Madison	Belmont	262, 274, 414, 534, 608, 715, 920
Wyoming	Cheyenne	Various territorial locations	307

US Area Codes

Area codes function as geographic identifiers which were first established according to telephone usage patterns and population distribution. The telephone exchange 212 in New York City became one of the shortest numbers to dial from a rotary phone because the city received this assignment while rural areas received longer digit codes. The growing population combined with rising mobile phone usage led to additional area code implementation through area splits and overlay implementations.

The use of overlays has become more frequent in the last few decades because they enable the assignment of new numbers without altering the existing numbers — although they usually need all local calls to be dialed with 10 digits instead of 7.

Current Overview and Statistics

The United States has more than 330 active area codes which cover all 50 states and Washington D.C. as of 2025. The three states of California, Texas, and Florida have the highest number of active area codes because they have big populations and heavy telecommunication needs. The three states of Wyoming, Vermont, and Alaska still maintain only one area code each because their populations remain small.

The North American Numbering Plan Administrator (NANPA) operates all area codes under Federal Communications Commission (FCC) supervision. NANPA functions to distribute and oversee area code assignments for balanced regional usage.

Geographic vs. Non-Geographic Area Codes

The majority of U.S. area codes exist in relation to specific geographic locations. However, there are non-geographic codes as well. These include:

Toll-free numbers: such as 800, 888, 877, 866, 855, 844, and 833 — typically used by businesses or customer support centers.
Premium-rate numbers: like 900 numbers, used for paid services.
VoIP and mobile-specific codes: used for internet-based and cloud telephony services.

These non-geographic codes are not tied to a physical state or region and are allocated based on service type rather than geography.

Area Code Exhaustion and Number Reassignment

The growing use of smartphones and virtual phone systems together with IoT devices has created a high demand for telephone numbers. The widespread use of all possible number combinations in a region resulted in area code exhaustion. The preference for overlays over splits has emerged because overlays prevent existing users from needing to change their numbers. Users must dial the complete 10-digit number for all calls including local communications when using overlays.

Historical Development

The original purpose of area codes was to improve the speed and efficiency of rotary dialing. In the early formats, the middle digit of area codes was restricted from being 0 or 1. The format and flexibility of area codes evolved with technology. The area code continues to function as a cultural and logistical identifier even though technical constraints have eased with digital exchanges and VoIP.

The area codes 212 (New York City), 213 (Los Angeles), and 305 (Miami) have become so well known that people recognize them even when they are not in their region.

Role in Modern Communication

Area codes continue to play a vital role in traditional phone systems because they identify call origins while serving as primary tools for businesses and emergency services and call routing and identity verification. Area codes hold significant regional pride or prestige value especially in major metropolitan areas. Startups and creative firms along with other companies will take great effort to obtain an area code that stands out or holds value.

FAQs about Area Codes of the United States

What is an area code in the United States?

An area code in the United States is the first three digits of a 10-digit phone number in the United States. To figure out the area code for a city or state, you can look up that city or state in an area code directory.

How do I find an Area Code for a US City or State?

There are area codes for cities and states in the U.S. By referring to the directories of area codes, you can find the area code of a city or a state. There are many area codes for large cities, and many area codes for the large states such as California and Texas. This is because these cities and states have large populations and the demand for phone numbers is high.

Why do some of the U.S. cities have more than one area code?

The numbers for the telephone in major metropolitan locations can have more than one area code. Typically, the original area code has all of its numbers allocated and therefore new numbers are assigned by introducing an “overlay” (additional area code or codes that cover the same geographic area) or a “geographic split” (additional area code or codes that cover a part of the state where the original area code was assigned).

Can the same area code be used in different states?

No, area codes are assigned to geographic regions. Thus, a particular area code may be in one state but not in another. However, a state can have many different area codes, depending upon the state’s physical size and population.

What is an overlay area code?

An overlay area code is an additional numbering area code that is added to an area or areas that use the same geographic area code(s). Numbers assigned with the new area code will be different than numbers already assigned in the area. All numbers currently assigned in the area will continue to use the same area code(s) already in use. Calls that originate within the area of the existing area code(s) and the new area code(s) will need to include all 10 digits to reach local destinations.

How many area codes are there in the United States?

Over 330 geographic area codes have been assigned to date. In addition, there are assigned codes for use with VoIP as well as many special use codes. When the numbering resources of an area code are exhausted, more codes can be created by the NANPA in the form of an overlay or a geographic split.