Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-377 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 0 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 1 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 2 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 3 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 4 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 5 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 6 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 7 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 8 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 9 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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