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: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-571 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 0 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 1 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 2 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 3 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-571 4 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-571 5 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 6 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 7 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 8 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 9 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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