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: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-436 A San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-436 0 San Mateo CA SNFCCAMMDSA  4129 O1 COMMUNICATIONS, INC. - CA 722   2015-10-24   
650-436 1 San Mateo CA OKLDCAMPDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2016-07-05   
650-436 2 San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-07-03   
650-436 3 San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-07-03   
650-436 4 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-12-18   
650-436 5 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-12-18   
650-436 6 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-04-09   
650-436 7 San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-01-03   
650-436 8 San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-10-23   
650-436 9 San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-10-23   

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

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