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: 951 [Rate centres in NPA 951] [Dial plan for NPA 951]

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-299 A Arlington CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
951-299 0 Arlington CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
951-299 1 Arlington CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-299 2 Arlington CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
951-299 3 Arlington CA LSANCAJW6MD  073H TELNYX LLC 730      
951-299 4 Arlington CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
951-299 5 Arlington CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
951-299 6 Arlington CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
951-299 7 Arlington CA ANHMCA01XEY  516C AT&T CORP. 730      
951-299 8 Arlington CA RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730      
951-299 9 Arlington CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.