Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SNMTCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-212 A San Mateo CA 9740 PACIFIC BELL 722      
650-212 0 San Mateo CA 9740 PACIFIC BELL 722      
650-212 1 San Mateo CA 9740 PACIFIC BELL 722      
650-212 2 San Mateo CA 9740 PACIFIC BELL 722      
650-212 3 San Mateo CA 9740 PACIFIC BELL 722      
650-212 4 San Mateo CA 9740 PACIFIC BELL 722      
650-212 7 San Mateo CA 9740 PACIFIC BELL 722      
650-212 8 San Mateo CA 9740 PACIFIC BELL 722      
650-212 9 San Mateo CA 9740 PACIFIC BELL 722      
650-286 A San Mateo CA 9740 PACIFIC BELL 722      
650-287 A San Mateo CA 9740 PACIFIC BELL 722      
650-287 0 San Mateo CA 9740 PACIFIC BELL 722      
650-287 1 San Mateo CA 9740 PACIFIC BELL 722      
650-287 2 San Mateo CA 9740 PACIFIC BELL 722      
650-287 3 San Mateo CA 9740 PACIFIC BELL 722      
650-287 4 San Mateo CA 9740 PACIFIC BELL 722      
650-287 6 San Mateo CA 9740 PACIFIC BELL 722      
650-287 7 San Mateo CA 9740 PACIFIC BELL 722      
650-287 8 San Mateo CA 9740 PACIFIC BELL 722      
650-287 9 San Mateo CA 9740 PACIFIC BELL 722      
650-293 A San Mateo CA 9740 PACIFIC BELL 722      
650-293 5 San Mateo CA 9740 PACIFIC BELL 722      
650-293 6 San Mateo CA 9740 PACIFIC BELL 722      
650-294 A San Mateo CA 9740 PACIFIC BELL 722      
650-294 1 San Mateo CA 9740 PACIFIC BELL 722      
650-294 2 San Mateo CA 9740 PACIFIC BELL 722      
650-294 5 San Mateo CA 9740 PACIFIC BELL 722      
650-294 6 San Mateo CA 9740 PACIFIC BELL 722      
650-294 7 San Mateo CA 9740 PACIFIC BELL 722      
650-295 A San Mateo CA 9740 PACIFIC BELL 722      
650-295 2 San Mateo CA 9740 PACIFIC BELL 722      
650-295 3 San Mateo CA 9740 PACIFIC BELL 722      
650-295 4 San Mateo CA 9740 PACIFIC BELL 722      
650-295 5 San Mateo CA 9740 PACIFIC BELL 722      
650-295 6 San Mateo CA 9740 PACIFIC BELL 722      
650-295 7 San Mateo CA 9740 PACIFIC BELL 722      
650-295 8 San Mateo CA 9740 PACIFIC BELL 722      
650-312 A San Mateo CA 9740 PACIFIC BELL 722      
650-350 A San Mateo CA 9740 PACIFIC BELL 722      
650-350 1 San Mateo CA 9740 PACIFIC BELL 722      
650-350 3 San Mateo CA 9740 PACIFIC BELL 722      
650-350 5 San Mateo CA 9740 PACIFIC BELL 722      
650-350 6 San Mateo CA 9740 PACIFIC BELL 722      
650-350 7 San Mateo CA 9740 PACIFIC BELL 722      
650-432 A San Mateo CA 9740 PACIFIC BELL 722      
650-513 A San Mateo CA 9740 PACIFIC BELL 722      
650-513 3 San Mateo CA 9740 PACIFIC BELL 722      
650-513 4 San Mateo CA 9740 PACIFIC BELL 722      
650-513 5 San Mateo CA 9740 PACIFIC BELL 722      
650-513 7 San Mateo CA 9740 PACIFIC BELL 722      
650-525 A San Mateo CA 9740 PACIFIC BELL 722      
650-525 0 San Mateo CA 9740 PACIFIC BELL 722      
650-525 1 San Mateo CA 9740 PACIFIC BELL 722      
650-525 3 San Mateo CA 9740 PACIFIC BELL 722      
650-525 5 San Mateo CA 9740 PACIFIC BELL 722      
650-525 7 San Mateo CA 9740 PACIFIC BELL 722      
650-525 8 San Mateo CA 9740 PACIFIC BELL 722      
650-525 9 San Mateo CA 9740 PACIFIC BELL 722      
650-554 A San Mateo CA 9740 PACIFIC BELL 722      
650-554 2 San Mateo CA 9740 PACIFIC BELL 722      
650-554 3 San Mateo CA 9740 PACIFIC BELL 722      
650-554 4 San Mateo CA 9740 PACIFIC BELL 722      
650-554 5 San Mateo CA 9740 PACIFIC BELL 722      
650-554 6 San Mateo CA 9740 PACIFIC BELL 722      
650-554 7 San Mateo CA 9740 PACIFIC BELL 722      
650-638 A San Mateo CA 9740 PACIFIC BELL 722      
650-638 0 San Mateo CA 9740 PACIFIC BELL 722      
650-638 1 San Mateo CA 9740 PACIFIC BELL 722      
650-638 2 San Mateo CA 9740 PACIFIC BELL 722      
650-638 3 San Mateo CA 9740 PACIFIC BELL 722      
650-638 4 San Mateo CA 9740 PACIFIC BELL 722      
650-638 5 San Mateo CA 9740 PACIFIC BELL 722      
650-638 6 San Mateo CA 9740 PACIFIC BELL 722      
650-638 7 San Mateo CA 9740 PACIFIC BELL 722      
650-638 9 San Mateo CA 9740 PACIFIC BELL 722      
650-655 A San Mateo CA 9740 PACIFIC BELL 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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