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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-634 4 South San Francisco CA   9740 PACIFIC BELL 722      
650-634 5 South San Francisco CA   9740 PACIFIC BELL 722      
650-634 6 South San Francisco CA   9740 PACIFIC BELL 722      
650-634 7 South San Francisco CA   9740 PACIFIC BELL 722      
650-634 8 South San Francisco CA   516C AT&T CORP. 722   2014-04-16   
650-634 9 South San Francisco CA   9740 PACIFIC BELL 722      
650-635 A South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-636 A South San Francisco CA SNFECAEJDS0  8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 0 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 1 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 2 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 3 South San Francisco CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-06-10   
650-636 4 South San Francisco CA   516C AT&T CORP. 722   2006-06-30   
650-636 5 South San Francisco CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-07-23   
650-636 6 South San Francisco CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-06-10   
650-636 7 South San Francisco CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-12-14   
650-636 8 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 9 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-637 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-638 A San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 0 San Mateo CA   9740 PACIFIC BELL 722      
650-638 1 San Mateo CA   9740 PACIFIC BELL 722      
650-638 2 San Mateo CA   9740 PACIFIC BELL 722      
650-638 3 San Mateo CA   9740 PACIFIC BELL 722      
650-638 4 San Mateo CA   9740 PACIFIC BELL 722      
650-638 5 San Mateo CA   9740 PACIFIC BELL 722      
650-638 6 San Mateo CA   9740 PACIFIC BELL 722      
650-638 7 San Mateo CA   9740 PACIFIC BELL 722      
650-638 8 San Mateo CA   649C ONVOY, LLC - CA 722   2019-02-07   
650-638 9 San Mateo CA   9740 PACIFIC BELL 722      
650-639 A San Mateo CA   9748 AMERICAN MESSAGING SERVICES, LLC 722      
650-641 A Mountain View CA SNFECALNDS0  8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-641 0 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-641 1 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-641 2 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722   2006-07-13   
650-641 3 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-641 4 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-641 5 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-641 6 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722   2006-12-30   
650-641 7 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-641 8 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-641 9 Mountain View CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722      
650-642 A San Mateo CA   6664 SPRINT SPECTRUM L.P. 722      
650-642 0 San Mateo CA   6664 SPRINT SPECTRUM L.P. 722      
650-642 1 San Mateo CA   6664 SPRINT SPECTRUM L.P. 722      
650-642 2 San Mateo CA   7262 XO CALIFORNIA, INC. 722   2012-08-14   
650-642 3 San Mateo CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-24   
650-642 4 San Mateo CA   6664 SPRINT SPECTRUM L.P. 722      
650-642 5 San Mateo CA   6664 SPRINT SPECTRUM L.P. 722      
650-642 6 San Mateo CA   6664 SPRINT SPECTRUM L.P. 722      

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Last updated: Wed, 05 Feb 2020 02:15:44 UTC

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