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: 627

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-627 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-627 0 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-627 1 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-627 2 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-627 3 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2010-04-07   
650-627 4 San Mateo CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2009-04-24   
650-627 5 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-627 6 San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-03-19   
650-627 7 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-04-13   
650-627 8 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-627 9 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      

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

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