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: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-640 A San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-640 0 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-17   
650-640 1 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-17   
650-640 2 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-17   
650-640 3 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-17   
650-640 4 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-23   
650-640 5 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-26   
650-640 6 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-26   
650-640 7 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-26   
650-640 8 San Carlos-Belmont CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2022-09-15   
650-640 9 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-08-15   

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

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