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: 543

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-543 A Holtville AL MTGMALMTX9Z  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 478      
334-543 0 Holtville AL MTGMALMTX9Z  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 478   2007-12-20   
334-543 1 Holtville AL MTGMAL13X4X  5562 METROPCS, INC. 478   2014-03-05   
334-543 2 Holtville AL MTGMALMT41Z  516C AT&T CORP. 478   2010-10-28   
334-543 3 Holtville AL MTGMAL13X4X  5562 METROPCS, INC. 478   2013-07-12   
334-543 4 Holtville AL WTMPALBRGT0  336E BRIGHT HOUSE NTWS INFORMATION SVCS (ALABAMA) - AL 478   2007-11-15   
334-543 5 Holtville AL MTGMAL13X4X  5562 METROPCS, INC. 478   2013-07-12   
334-543 6 Holtville AL MTGMAL13X4X  5562 METROPCS, INC. 478   2014-03-05   
334-543 7 Holtville AL MTGMAL13X4X  5562 METROPCS, INC. 478   2014-12-10   
334-543 8 Holtville AL MTGMAL13X4X  5562 METROPCS, INC. 478   2014-03-05   
334-543 9 Holtville AL MTGMAL13X4X  5562 METROPCS, INC. 478   2014-03-05   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.