Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Fremont-Newark: Oliver DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
510-979 9 FRMTCA12DS0  9740 PACIFIC BELL 722      
510-983 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-983 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-04-06   
510-983 1 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2019-05-26   
510-983 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-06-06   
510-983 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-07-26   
510-983 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-07-28   
510-983 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-07-28   
510-983 6 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-08-26   
510-983 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-09-06   
510-983 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-09-06   
510-983 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-01-08   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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