Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 516C AT&T CORP.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
650-235 9 San Mateo CA SNFCCA01XGX  722   2013-04-18   
650-260 0 Redwood City CA SNFCCA01XGX  722   2016-06-09   
650-263 5 Moss Beach CA SNFCCA01XGX  722   2011-08-09   
650-264 8 San Carlos-Belmont CA SNFCCA01XGX  722   2006-06-30   
650-282 5 Mountain View CA SNFCCA01XGX  722   2006-06-30   
650-290 8 Pacifica CA SNFCCA01XGX  722   2006-06-30   
650-297 5 Pescadero CA SNFCCA01XGX  722   2011-08-09   
650-315 2 San Mateo CA SNFCCA01XGX  722   2006-06-30   
650-362 3 Redwood City CA SNFCCA01XGX  722   2007-02-19   
650-384 6 Palo Alto CA SNFCCA01XGX  722   2006-07-07   
650-447 3 Mountain View CA SNFCCA01XGX  722   2017-04-26   
650-634 8 South San Francisco CA SNFCCA01XGX  722   2014-04-16   
650-636 4 South San Francisco CA SNFCCA01XGX  722   2006-06-30   
650-656 8 Palo Alto CA SNFCCA01XGX  722   2014-06-16   
650-673 A La Honda CA SNFCCA01XGX  722      
650-673 7 La Honda CA SNFCCA01XGX  722   2010-01-28   
650-683 3 Woodside CA SNFCCA01XGX  722   2008-10-18   
650-729 3 Half Moon Bay CA SNFCCA01XGX  722   2008-08-29   
650-935 2 Los Altos CA SNFCCA01XGX  722   2007-09-14   
657-208 3 Anaheim CA ANHMCA01XEY  730   2011-02-28   
657-212 5 Santa Ana CA ANHMCA01XEY  730   2011-02-10   
657-217 5 Fullerton CA ANHMCA01XEY  730   2011-09-14   
657-230 9 Anaheim CA ANHMCA01XEY  730   2014-09-29   
657-231 A Santa Ana CA ANHMCA01XEY  730      
657-231 6 Santa Ana CA ANHMCA01XEY  730   2014-01-29   
657-233 A Garden Grove CA ANHMCA01XEY  730      
657-233 5 Garden Grove CA ANHMCA01XEY  730   2014-02-23   
657-236 4 Orange CA ANHMCA01XEY  730   2014-09-03   
657-245 3 Santa Ana CA ANHMCA01XEY  730   2014-09-15   
657-266 0 Santa Ana CA ANHMCA01XEY  730   2015-07-11   
657-295 3 Anaheim CA ANHMCA01XEY  730   2016-10-19   
657-315 A Placentia CA ANHMCA01XEY  730      
657-315 9 Placentia CA ANHMCA01XEY  730   2016-10-19   
657-337 A Cypress CA ANHMCA01XEY  730      
657-337 5 Cypress CA ANHMCA01XEY  730   2016-07-17   
657-346 0 Santa Ana CA ANHMCA01XEY  730   2016-11-15   
657-377 4 Garden Grove CA ANHMCA01XEY  730   2016-10-09   
657-444 2 Placentia CA ANHMCA01XEY  730   2011-11-04   
657-445 4 Fullerton CA ANHMCA01XEY  730   2016-07-27   
657-529 1 Buena Park CA ANHMCA01XEY  730   2014-09-29   
657-773 8 Huntington Beach CA   730   2026-01-06   
660-236 3 Marshall MO KSCYMO09QMD  524   2013-12-26   
660-240 5 Chillicothe MO KSCYMO09QMD  524   2011-10-04   
660-268 4 Brookfield MO KSCYMO09QMD  524   2011-10-04   
660-299 5 Edina MO KSCYMO09QMD  524   2024-10-07   
660-303 4 Lancaster MO KSCYMO09QMD  524   2024-10-07   
660-322 5 Carrollton MO KSCYMO09QMD  524   2011-10-04   
660-324 A Slater MO KSCYMO09QMD  524      
660-324 7 Slater MO KSCYMO09QMD  524   2011-06-01   
660-338 4 Glasgow MO KSCYMO09QMD  524   2011-06-01   

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

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