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: 334 [Rate centres in NPA 334] [Dial plan for NPA 334]

NXX: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-457 A Clio AL MTGMAL13CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 478      
334-457 0 Clio AL DTHNALXAXTX  624H ONVOY SPECTRUM, LLC 478   2024-03-05   
334-457 1 Clio AL MTGMAL13CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 478   2008-09-06   
334-457 2 Clio AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-01-18   
334-457 3 Clio AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-01-18   
334-457 4 Clio AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-01-18   
334-457 6 Clio AL MTGMALMT00Z  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 478   2020-10-12   
334-457 7 Clio AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2023-07-21   
334-457 8 Clio AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-09-18   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.