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: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-574 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 0 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 1 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 2 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 3 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 4 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 5 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 6 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 7 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 8 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 9 San Mateo CA SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2021-01-07   

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

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