US Area Code Map

Explore US telephone area code map, Area codes in the United States are part of a telephone numbering plan that assigns specific three-digit codes to geographic regions across the country. These codes help facilitate long-distance calling and manage the distribution of phone numbers. Each area code covers a distinct area, sometimes encompassing an entire state, while larger states may have multiple area codes due to higher demands for phone numbers. Understanding your local area code is important for making and receiving calls, especially when dialing from different regions.

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.

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Area Codes in the United States

Area codes are an integral part of telephone numbers in the United States, crucial for routing phone calls in the telecommunications network. This guide explains what area codes are, how they are assigned, and why they are important.

What Are Area Codes?

An area code is a three-digit number that precedes the local phone number and serves as a geographic identifier within the North American Numbering Plan (NANP). The United States, along with Canada and several Caribbean nations, uses this system to facilitate direct long-distance dialing.

History and Purpose

The area code system was introduced in the 1940s when the Bell System and AT&T developed the NANP to streamline long-distance calling. Initially, area codes were designed based on population density; areas with higher call volumes received codes that were quicker to dial on rotary phones. Today, area codes help manage the allocation of phone numbers and ensure that the telecommunication infrastructure keeps up with demand.

How Are Area Codes Assigned?

The North American Numbering Plan Administration (NANPA) is responsible for the assignment of area codes. They allocate new area codes through methods such as geographic splits or overlays, depending on the need and existing number usage. Overlays, where a new area code is added to the same geographic region as an existing one, have become more common, allowing multiple area codes to coexist in one location.

Significance of Area Codes

Geographic Identification

Each area code corresponds to a specific geographic area which can range from part of a city to an entire state. For instance, 212 is synonymous with Manhattan, while 310 is linked to West Los Angeles.

Ease of Communication

Area codes simplify the process of making long-distance calls and can be indicative of where a call originates from, which can be crucial for business and personal communications.

Resource Management

As the demand for new phone numbers grows, particularly with the proliferation of cell phones and internet communication services, managing and allocating area codes becomes essential to ensuring everyone can obtain a phone number.

Challenges with Area Codes

The fixed number of combinations available in the three-digit area code system means that new strategies must be continuously developed to accommodate new lines. This has led to the creation of new area codes and, sometimes, the need for consumers to change their existing numbers, which can cause confusion and inconvenience.

List of Area Codes in the United States

S.N.	US State	Area Codes
1	Alabama	205, 251, 256, 334, 659, 938
2	Alaska	907
3	Arizona	480, 520, 602, 623, 928
4	Arkansas	327, 479, 501, 870
5	California	209, 213, 279, 310, 323, 341, 350, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 840, 858, 909, 916, 925, 949, 951
6	Colorado	303, 719, 720, 970, 983
7	Connecticut	203, 475, 860, 959
8	Delaware	302
9	District of Columbia	202, 771
10	Florida	239, 305, 321, 324, 352, 386, 407, 448, 561, 645, 656, 689, 727, 728, 754, 772, 786, 813, 850, 863, 904, 941, 954
11	Georgia	229, 404, 470, 478, 678, 706, 762, 770, 912, 943
12	Hawaii	808
13	Idaho	208, 986
14	Illinois	217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 861, 872
15	Indiana	219, 260, 317, 463, 574, 765, 812, 930
16	Iowa	319, 515, 563, 641, 712
17	Kansas	316, 620, 785, 913
18	Kentucky	270, 364, 502, 606, 859
19	Louisiana	225, 318, 337, 457, 504, 985
20	Maine	207
21	Maryland	227, 240, 301, 410, 443, 667
22	Massachusetts	339, 351, 413, 508, 617, 774, 781, 857, 978
23	Michigan	231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947, 989
24	Minnesota	218, 320, 507, 612, 651, 763, 924, 952
25	Mississippi	228, 601, 662, 769
26	Missouri	235, 314, 417, 557, 573, 636, 660, 816, 975
27	Montana	406
28	Nebraska	308, 402, 531
29	Nevada	702, 725, 775
30	New Hampshire	603
31	New Jersey	201, 551, 609, 640, 732, 848, 856, 862, 908, 973
32	New Mexico	505, 575
33	New York	212, 315, 329, 332, 347, 363, 516, 518, 585, 607, 624, 631, 646, 680, 716, 718, 838, 845, 914, 917, 929, 934
34	North Carolina	252, 336, 472, 704, 743, 828, 910, 919, 980, 984
35	North Dakota	701
36	Ohio	216, 220, 234, 283, 326, 330, 380, 419, 436, 440, 513, 567, 614, 740, 937
37	Oklahoma	405, 539, 572, 580, 918
38	Oregon	458, 503, 541, 971
39	Pennsylvania	215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878
40	Rhode Island	401
41	South Carolina	803, 821, 839, 843, 854, 864
42	South Dakota	605
43	Tennessee	423, 615, 629, 731, 865, 901, 931
44	Texas	210, 214, 254, 281, 325, 346, 361, 409, 430, 432, 469, 512, 682, 713, 726, 737, 806, 817, 830, 832, 903, 915, 936, 940, 945, 956, 972, 979
45	Utah	385, 435, 801
46	Vermont	802
47	Virginia	276, 434, 540, 571, 686, 703, 757, 804, 826, 948
48	Washington	206, 253, 360, 425, 509, 564
49	West Virginia	304, 681
50	Wisconsin	262, 274, 353, 414, 534, 608, 715, 920
51	Wyoming	307