Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-998 0 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 1 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 2 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 3 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 4 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 5 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 6 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 7 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 9 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-202 A Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-221 5 Richmond CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-07-02   
510-247 4 Hayward CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-256 4 Crockett CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-20   
510-274 A Hayward CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-274 6 Hayward CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-20   
510-327 6 Hercules-Rodeo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-20   
510-371 7 Fremont-Newark: Main DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-20   
510-374 5 Richmond CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-425 1 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-425 3 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-425 4 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-425 5 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-425 6 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-425 7 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-425 8 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-425 9 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-442 A Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-448 A Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-457 7 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-474 7 Fremont-Newark: Greenleaf DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-488 7 Oakland: Fruitvale DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-492 3 Fremont-Newark: Oliver DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-492 7 Fremont-Newark: Oliver DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-492 8 Fremont-Newark: Oliver DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-492 9 Fremont-Newark: Oliver DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-498 9 Fremont-Newark: Oliver DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-503 A Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-539 A Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-564 3 Oakland: Trinidad DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-620 7 Richmond CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-647 7 Oakland: Berkeley DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-659 3 Fremont-Newark: Oliver DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-661 7 Fremont-Newark: Oliver DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-764 7 Oakland: Alameda DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-787 5 Crockett CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2008-06-06   
510-840 A Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-855 A Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-855 0 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
510-855 1 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
510-855 2 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
510-855 3 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
510-855 4 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
510-855 5 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
510-855 6 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
510-855 7 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-855 8 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-855 9 Oakland: Main-Piedmont DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-884 A Hayward CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-889 4 Hayward CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-896 7 Fremont-Newark: Main DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-15   
510-964 8 El Sobrante-Pinole CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-20   
628-895 5 San Francisco: Central DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-05-31   
650-202 A San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-202 0 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
650-202 1 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
650-202 2 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
650-202 3 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
650-202 4 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
650-202 5 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
650-202 6 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-12-08   
650-202 7 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-202 8 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-202 9 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-216 4 Redwood City CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-294 4 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
650-336 6 Mountain View CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-15   
650-362 5 Redwood City CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2008-12-08   
650-377 6 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 7 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 8 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 9 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-388 5 Palo Alto CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
650-423 A Redwood City CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-424 7 Palo Alto CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-485 8 Palo Alto CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-14   
650-492 2 Los Altos CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2005-10-26   
650-542 2 Redwood City CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
650-550 5 San Francisco: Juniper DA CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
650-552 8 Millbrae CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-15   
650-557 7 Pacifica CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
650-570 1 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-570 8 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-570 9 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-571 3 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-571 4 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-577 3 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2008-12-08   
650-597 A San Carlos-Belmont CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-597 1 San Carlos-Belmont CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2008-12-07   
650-621 1 Palo Alto CA 9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-627 3 San Mateo CA 9262 UTILITY TELECOM GROUP, LLC - CA 722   2010-04-07   

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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