Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 553J WHITESKY COMMUNICATIONS, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
213-543 A Los Angeles: DA 03 CA LSANCA03IMD  730      
341-203 2 Richmond CA SNFCCA21XPZ  722   2021-09-16   
341-667 1 Oakland: Fruitvale DA CA SNFCCA21XPZ  722   2021-09-16   
341-732 2 El Sobrante-Pinole CA SNFCCA21XPZ  722   2021-09-16   
341-900 8 Crockett CA SNFCCA21XPZ  722   2021-09-16   
408-360 6 San Jose: South DA CA SNFCCA21XPZ  722   2021-09-16   
510-592 0 Hercules-Rodeo CA SNFCCA21XPZ  722   2021-09-16   
510-719 4 Oakland: Main-Piedmont DA CA SNFCCA21XPZ  722   2021-09-16   
510-916 7 Oakland: Trinidad DA CA   722   2021-10-21   
510-951 2 Hayward CA SNFCCA21XPZ  722   2021-09-20   
510-973 8 Oakland: Berkeley DA CA SNFCCA21XPZ  722   2021-09-16   
628-276 A San Francisco: Central DA CA SNFCCA21XPZ  722      
628-299 8 San Francisco: Juniper DA CA SNFCCA21XPZ  722   2021-09-16   
628-348 8 Belvedere CA SNFCCA21XPZ  722   2021-09-16   
628-477 6 Mill Valley CA SNFCCA21XPZ  722   2021-09-16   
628-667 7 San Rafael CA SNFCCA21XPZ  722   2021-09-16   
628-699 8 Sausalito CA SNFCCA21XPZ  722   2021-09-16   
628-766 5 Stinson Beach-Bolinas CA SNFCCA21XPZ  722   2021-09-16   
628-842 2 Corte Madera CA SNFCCA21XPZ  722   2021-09-16   
628-977 2 San Francisco: Montrose-Evergreen DA CA SNFCCA21XPZ  722   2021-09-16   
650-259 4 Millbrae CA SNFCCA21XPZ  722   2021-09-16   
650-263 0 Moss Beach CA SNFCCA21XPZ  722   2021-09-16   
650-264 0 San Carlos-Belmont CA SNFCCA21XPZ  722   2021-09-16   
650-587 6 Redwood City CA SNFCCA21XPZ  722   2021-09-16   
650-641 5 Mountain View CA SNFCCA21XPZ  722   2021-09-16   
650-699 8 San Mateo CA SNFCCA21XPZ  722   2021-09-16   
650-977 5 Pacifica CA SNFCCA21XPZ  722   2021-09-16   
659-219 A Birmingham AL BRHMALMTYBX  476      
659-902 8 Bessemer AL BRHMALMTYBX  476   2021-03-28   
669-304 4 Morgan Hill CA SNFCCA21XPZ  722   2021-09-16   
669-307 2 San Jose: North DA CA SNFCCA21XPZ  722   2021-09-16   
669-399 5 San Martin CA SNFCCA21XPZ  722   2021-09-16   
669-599 4 Gilroy CA SNFCCA21XPZ  722   2021-09-16   
669-688 5 Saratoga CA SNFCCA21XPZ  722   2021-09-16   
669-788 7 Sunnyvale CA SNFCCA21XPZ  722   2021-09-16   
669-877 3 Campbell CA SNFCCA21XPZ  722   2021-09-16   
669-899 2 Los Gatos CA SNFCCA21XPZ  722   2021-09-16   
669-977 4 San Jose: West DA CA SNFCCA21XPZ  722   2021-09-16   
707-242 0 Petaluma: Swift DA CA SNFCCA21XPZ  722   2021-09-16   
707-283 8 Petaluma: Main DA CA SNFCCA21XPZ  722   2021-09-16   
707-307 0 Napa CA SNFCCA21XPZ  722   2021-09-16   
707-312 9 Yountville CA SNFCCA21XPZ  722   2021-09-16   
707-359 0 Vacaville CA SNFCCA21XPZ  722   2021-09-16   
707-398 4 Fairfield-Suisun CA SNFCCA21XPZ  722   2021-09-16   
707-534 2 Vallejo CA SNFCCA21XPZ  722   2021-09-16   
707-597 6 Lake Berryessa CA SNFCCA21XPZ  722   2021-09-16   
707-801 5 Kenwood CA SNFCCA21XPZ  722   2021-09-16   
707-908 1 Benicia CA SNFCCA21XPZ  722   2021-09-16   
831-274 9 Watsonville CA SNFCCA21XPZ  722   2021-09-16   
831-401 8 Ben Lomond CA SNFCCA21XPZ  722   2021-09-16   
831-432 2 Boulder Creek CA SNFCCA21XPZ  722   2021-09-16   
831-612 8 Aptos CA SNFCCA21XPZ  722   2021-09-16   
901-587 A Memphis TN MMPHTNMAYLX  468      
925-203 2 Pittsburg CA SNFCCA21XPZ  722   2021-09-16   
925-218 7 Pleasanton CA SNFCCA21XPZ  722   2021-09-16   
925-232 5 Pittsburg West CA SNFCCA21XPZ  722   2021-09-16   
925-235 3 Moraga CA SNFCCA21XPZ  722   2021-09-16   
925-257 5 Orinda CA SNFCCA21XPZ  722   2021-09-16   
925-297 3 Lafayette CA SNFCCA21XPZ  722   2021-09-16   
925-319 2 Sunol CA SNFCCA21XPZ  722   2021-09-16   
925-392 2 East Contra Costa CA SNFCCA21XPZ  722   2021-09-16   
925-498 0 Bishop Ranch CA SNFCCA21XPZ  722   2021-09-16   
925-524 1 Clayton CA SNFCCA21XPZ  722   2021-09-16   
925-599 3 Livermore CA SNFCCA21XPZ  722   2021-09-16   
925-644 9 Concord CA SNFCCA21XPZ  722   2021-09-16   
925-733 0 Danville CA SNFCCA21XPZ  722   2021-10-08   
925-891 2 Walnut Creek CA SNFCCA21XPZ  722   2021-09-16   
925-905 3 Dublin-San Ramon CA SNFCCA21XPZ  722   2021-09-11   
925-966 0 Antioch CA SNFCCA21XPZ  722   2021-09-16   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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