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.

Reseda, CA

<< 1 2 3 4 5 6 7 8

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
818-975 4 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2004-12-09   
818-975 5 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-09-17   
818-975 6 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-04-19   
818-975 7 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2001-05-15   
818-975 8   793K TWC IP ENABLED SERVICES, LLC 730   2013-03-01   
818-975 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-09-17   
818-996 A RESDCA01DS0  9740 PACIFIC BELL 730      

<< 1 2 3 4 5 6 7 8

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.