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: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-570 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-570 0 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-570 1 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-570 2 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-570 3 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-570 4 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-570 5 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-570 6 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-570 7 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-570 8 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-570 9 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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