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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-336 A Reseda CA LSANCAJWIMD  965H FRACTEL, LLC 730      
747-336 0 Reseda CA   899D METROPCS NETWORKS, LLC 730   2020-10-14   
747-336 1 Reseda CA   899D METROPCS NETWORKS, LLC 730   2020-10-14   
747-336 2 Reseda CA   6529 T-MOBILE USA, INC. 730   2020-12-18   
747-336 3 Reseda CA   649C ONVOY, LLC - CA 730   2020-08-24   
747-336 4 Reseda CA   649C ONVOY, LLC - CA 730   2020-08-24   
747-336 5 Reseda CA   197D VONAGE AMERICA LLC 730   2020-06-22   
747-336 6 Reseda CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-04-30   
747-336 8 Reseda CA   965H FRACTEL, LLC 730   2020-03-12   
747-336 9 Reseda CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-25   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.