Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 747 [Rate centres in NPA 747] [Dial plan for NPA 747]

NXX: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-356 A Northridge CA LSANCAJWIMD  965H FRACTEL, LLC 730      
747-356 0 Northridge CA   073H TELNYX LLC 730   2021-02-27   
747-356 1 Northridge CA   6529 T-MOBILE USA, INC. 730   2020-12-04   
747-356 2 Northridge CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-05-26   
747-356 3 Northridge CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-09-10   
747-356 4 Northridge CA   649C ONVOY, LLC - CA 730   2020-09-01   
747-356 5 Northridge CA   649C ONVOY, LLC - CA 730   2020-09-01   
747-356 6 Northridge CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-09-01   
747-356 7 Northridge CA   965H FRACTEL, LLC 730   2020-08-31   
747-356 8 Northridge CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-09-01   
747-356 9 Northridge CA   965H FRACTEL, LLC 730   2020-08-31   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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