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: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-231 A Millbrae CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-231 0 Millbrae CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-231 1 Millbrae CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-231 2 Millbrae CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-10-11   
650-231 3 Millbrae CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722   2019-10-26   
650-231 4 Millbrae CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-06-16   
650-231 5 Millbrae CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   
650-231 6 Millbrae CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   
650-231 8 Millbrae CA SNFCCA01XGX  516C AT&T CORP. 722   2006-06-30   
650-231 9 Millbrae CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-11-23   

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

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