Overlay area codes |
Location |
Notes
|
Added |
Base
|
557
|
314
|
St. Louis, Missouri (communities such as, but not limited to, St. Louis, Overland, Bridgeton, Florissant, Webster Groves, Creve Coeur, Kirkwood and Sappington)
|
Initial overlay area code plan was announced October 24, 2000. New 557 area code was announced on February 2022 and went into effect August 12, 2022.
/info/en/?search=Area_codes_314_and_557
|
324
|
904
|
Jacksonville, Jacksonville Beach, Fernandina Beach, Orange Park and surrounding communities
|
|
220
|
740
|
Central and southeastern
Ohio
|
|
223
|
717
|
South Central Pennsylvania
|
|
224
|
847
|
Northern suburbs of
Chicago,
Illinois
|
|
226,
382,
548
|
519
|
Southwestern Ontario
|
|
234
|
330
|
Akron-Canton and Warren-Youngstown areas in
Ohio
|
|
236, 672, 778
|
604,
250
|
British Columbia
|
|
227, 240
|
301
|
Washington, D.C. suburbs and panhandle of
Maryland
|
|
249
|
705
|
Northeastern and
central Ontario
|
|
267,
445
|
215
|
Philadelphia,
Pennsylvania area and a small portion of its Pennsylvania suburbs
|
|
272
|
570
|
Northeastern Pennsylvania, including the cities of
Scranton,
Wilkes-Barre, and
Williamsport
|
|
279
|
916
|
Sacramento,
California and surrounding suburbs
|
|
281, 346, 832
|
713
|
Greater Houston,
Texas
|
|
289, 365
|
905
|
Golden Horseshoe region of
Ontario, including
suburban Toronto,
Hamilton,
Oshawa, and the
Niagara Peninsula in
Ontario
|
|
321
|
407
|
Central Florida
|
In addition to being the sole area code in the
Space Coast region around the
Kennedy Space Center, this is the only partial overlay area code in North America
|
323
|
213
|
Central
Los Angeles, incl. Downtown L.A. and
Hollywood
|
|
326
|
937
|
Southwest
Ohio
|
|
331
|
630
|
Western suburbs of
Chicago
|
|
332, 646 , 917
|
212
|
New York City borough of
Manhattan, except for the
Marble Hill neighborhood, which is physically connected to
The Bronx and uses
718
|
|
339
|
781
|
Suburban
Boston,
Massachusetts and most of the
South Shore region
|
|
341
|
510
|
San Francisco East Bay
|
|
343
|
613
|
Ottawa and
eastern Ontario
|
|
347, 929
|
718
|
New York City boroughs of
The Bronx,
Brooklyn,
Queens, and
Staten Island, as well as
Marble Hill, a
Manhattan neighborhood directly connected to The Bronx
[2]
|
|
351
|
978
|
North-central and most of northeastern
Massachusetts
|
|
364
|
270
|
Western half of
Kentucky, including the
Purchase area, the
Western Coal Fields, and most of the
Pennyrile
[3]
|
|
367, 581
|
418
|
Eastern
Quebec
|
|
368, 587, 825
|
780,
403
|
Alberta
|
|
380
|
614
|
Columbus,
Ohio, and suburbs
|
|
385
|
801
|
Along the
Wasatch Front of
Utah, including
Salt Lake City,
Provo–
Orem, and
Ogden
|
|
424
|
310
|
Southwestern
Los Angeles County, California
|
|
430
|
903
|
Northeastern
Texas
|
|
431
|
204
|
Manitoba
|
|
437, 647
|
416
|
Toronto,
Ontario
|
|
438
|
514
|
Island of Montreal,
Quebec
|
|
442
|
760
|
Southeastern
California
|
|
443, 667
|
410
|
Baltimore metropolitan area and the
Eastern Shore of Maryland
|
|
447
|
217
|
Central
Illinois
|
|
448
|
850
|
Florida Panhandle, including
Tallahassee and
Pensacola
|
|
458
|
541
|
Most of
Oregon, excluding its northwestern part
|
|
464
|
708
|
Near western suburbs and southern suburbs of
Chicago
|
|
469,
972
|
214
|
Eastern portion of the
Dallas–Fort Worth metroplex in and around
Dallas,
Texas
|
|
470, 678
|
404,
770
|
Atlanta metropolitan area,
Georgia
|
|
474
|
306
|
Saskatchewan
|
|
475
|
203
|
Southwestern
Connecticut
|
|
484
|
610
|
Eastern and parts of southeastern
Pennsylvania
|
|
531
|
402
|
Eastern
Nebraska
|
|
539
|
918
|
Northeastern
Oklahoma
|
|
551
|
201
|
Northeastern
New Jersey
|
|
564
|
360
|
Western Washington
|
564 initially overlays only 360, but will expand to overlay 206, 253, and 425 as those area codes run out of numbers
[4]
|
567
|
419
|
Northwestern
Ohio, including
Toledo and
Lima
|
|
571
|
703
|
Northern Virginia
|
|
572
|
405
|
Central
Oklahoma, including
greater Oklahoma City
|
|
582
|
814
|
Central and western
Pennsylvania, including
Altoona,
DuBois, and
Erie
|
|
587
|
403,
780
|
Alberta
|
|
628
|
415
|
San Francisco,
Marin County and small portions of
San Mateo County
|
|
629
|
615
|
Nashville,
Tennessee
|
|
639
|
306
|
Saskatchewan
|
|
640
|
609
|
Central and southeast
New Jersey
|
|
657
|
714
|
Northern
Orange County,
California
|
|
658
|
876
|
Jamaica
|
|
659
|
205
|
Western and central
Alabama
|
|
669
|
408
|
Southern
Bay Area in California, encompassing much of
Santa Clara County and
Silicon Valley
[5]
|
|
672
|
604,
250
|
British Columbia
|
|
680
|
315
|
An area of
Upstate New York including parts of
Central New York and the
North Country, with
Syracuse as the main city in the region
|
|
681
|
304
|
West Virginia
|
|
682
|
817
|
Western part of the
Dallas–Fort Worth Metroplex, in and around
Fort Worth, Texas
|
|
689
|
407
|
Orlando, Florida
|
|
720, 983
|
303
|
Denver metropolitan area,
Colorado
|
|
725
|
702
|
Clark County, Nevada
|
|
726
|
210
|
San Antonio, Texas
|
|
743
|
336
|
Piedmont Triad,
North Carolina including
Greensboro,
Winston-Salem, and western areas of the
Raleigh-Durham metropolitan area.
|
|
747
|
818
|
San Fernando Valley,
California
|
|
754
|
954
|
Broward County, Florida
|
|
769
|
601
|
Central
Mississippi
|
|
771
|
202
|
Washington, DC
|
|
774
|
508
|
South-central and most of southeastern Massachusetts, including
Cape Cod and the Islands
|
|
778
|
604,
250
|
British Columbia
|
|
779
|
815
|
Northern and north-central Illinois, including the
Rockford,
Freeport, and
Kankakee areas
|
|
782
|
902
|
Nova Scotia and
Prince Edward Island on 30 November 2014
|
|
786, 645
|
305
|
Miami-Dade County,
Florida and the
Florida Keys
|
|
820
|
805
|
Ventura,
Santa Barbara and
San Luis Obispo Counties in
California
|
|
825
|
403,
780
|
Alberta
|
|
829, 849
|
809
|
Dominican Republic
|
|
839
|
803
|
Central
South Carolina
|
|
840
|
909
|
Pomona Valley and western
San Bernardino County, CA
|
|
848
|
732
|
Central
New Jersey
|
|
857
|
617
|
Boston,
Cambridge and
Quincy, Massachusetts
|
|
858
|
619
|
San Diego, CA and surrounding area
|
|
862
|
973
|
Northern New Jersey
|
|
872
|
312,
773
|
Chicago, Illinois
|
|
873
|
819
|
Gatineau and western Quebec
|
|
878
|
412,
724
|
Metro Pittsburgh, Pennsylvania
|
|
917
|
212,
332,
347,
646,
718,
929
|
The entirety of
New York City (
The Bronx,
Brooklyn,
Manhattan,
Queens, and
Staten Island)
|
Originally primarily for
cellular phones and
pagers
[2]
|
930
|
812
|
Southern
Indiana
|
|
934
|
631
|
Suffolk County, New York
|
|
938
|
256
|
Northern
Alabama
|
|
939
|
787
|
Puerto Rico
|
|
469, 972, 945
|
214
|
Eastern
greater Dallas-Fort Worth,
TX
|
|
947
|
248
|
Oakland County, Michigan
|
|
959
|
860
|
Northern and western
Connecticut
|
|
971
|
503
|
Northwestern
Oregon, including the
Portland,
Salem, and
Astoria metropolitan areas
|
|
980
|
704
|
Charlotte metropolitan area, North Carolina
|
|
984
|
919
|
Raleigh-Durham,
North Carolina metropolitan area
|
|
986
|
208
|
Idaho
|
|