California area codes
Area codes serving California. From Canada you will dial these like domestic NANP numbers when calling the US and territories—open a code for maps, overlays, and search.
34 codes · 34 geographic . Time zone: Pacific Standard Time.
Major Cities in California
Area codes in California
Browse by state / province
Select a region to see every area code assigned there.
United States
Popular: 205, 251, 256, 334, 938
Popular: 907
Popular: 684
Popular: 264
Popular: 268
Popular: 480, 520, 602, 623, 928
Popular: 479, 501, 870
Popular: 242
Popular: 246
Popular: 441
Popular: 284
Popular: 209, 213, 310, 323, 341
Popular: 345
Popular: 303, 719, 720, 970
Popular: 203, 475, 860, 959
Popular: 302
Popular: 202
Popular: 767
Popular: 809, 829, 849
Popular: 239, 305, 321, 352, 386
Popular: 229, 404, 470, 478, 678
Popular: 473
Popular: 671
Popular: 808
Popular: 208
Popular: 217, 224, 309, 312, 331
Popular: 219, 260, 317, 463, 574
Popular: 319, 515, 563, 641, 712
Popular: 876
Popular: 316, 620, 785, 913
Popular: 270, 364, 502, 606, 859
Popular: 225, 318, 337, 504
Popular: 207
Popular: 240, 301, 410, 443, 667
Popular: 339, 351, 413, 508, 617
Popular: 231, 248, 269, 313, 517
Popular: 218, 320, 507, 612, 651
Popular: 228, 601, 662, 769
Popular: 314, 417, 573, 636, 660
Popular: 406
Popular: 664
Popular: 308, 402, 531
Popular: 702, 725, 775
Popular: 603
Popular: 201, 551, 609, 732, 848
Popular: 505, 575
Popular: 212, 315, 347, 516, 518
Popular: 252, 336, 704, 743, 828
Popular: 701
Popular: 670
Popular: 216, 220, 234, 330, 380
Popular: 405, 539, 572, 580, 918
Popular: 458, 503, 541, 971
Popular: 215, 267, 272, 412, 445
Popular: 787, 939
Popular: 401
Popular: 869
Popular: 758
Popular: 784
Popular: 721
Popular: 803, 843, 864
Popular: 605
Popular: 423, 615, 629, 731, 865
Popular: 210, 214, 254, 281, 325
Popular: 800, 833, 844, 855, 866
Popular: 868
Popular: 649
Popular: 340
Popular: 385, 435, 801
Popular: 802
Popular: 276, 434, 540, 571, 703
Popular: 206, 253, 360, 425, 509
Popular: 304, 681
Popular: 262, 414, 534, 608, 715
Popular: 307
Canada
Toll-Free Area Codes
800
Toll-FreeLegacy toll-free code. Variants include 888, 877, 866, 855, 844, 833, 822.
View detailsAbout Area Codes (NANP)
The North American Numbering Plan (NANP) covers the United States, Canada, and many Caribbean countries. Area codes route calls to specific geographic regions or to toll-free services. In high-growth regions, overlay area codes are introduced to increase numbering capacity, often requiring 10-digit dialing.
Overlays vs. Splits
Overlays add a new code to the same region (e.g., 212 overlaid by 332, 646). Splits carve a region into two or more unique codes. Overlays are now more common than splits.
Dialing Patterns
Many regions require 10-digit dialing (area code + local number). Toll-free numbers are dialed the same way and may originate from any NANP country.
Frequently Asked Questions
How do I find which city an area code belongs to?
Use the search box above to enter the code (e.g., 415) or a city/state name. Click a result to see a list of covered cities and overlays.
What does "overlay" mean?
An overlay introduces one or more new area codes for the same geographic region to prevent number exhaustion—residents can keep their current numbers while new numbers get the new codes.
Are toll-free numbers tied to a location?
No. Toll-free area codes (like 800 and 888) route to businesses and services and aren't tied to a particular city or state.