Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 747 [Rate centres in NPA 747] [Dial plan for NPA 747]

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-378 A North Hollywood CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
747-378 0 North Hollywood CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-03-04   
747-378 1 North Hollywood CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-03-23   
747-378 6 North Hollywood CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
747-378 7 North Hollywood CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
747-378 8 North Hollywood CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
747-378 9 North Hollywood CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.