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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-643 A Linden AL MTGMALIR7MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478      
334-643 0 Linden AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478   2019-12-06   
334-643 1 Linden AL   073H TELNYX LLC 478   2020-05-02   
334-643 2 Linden AL   506J TWILIO INTERNATIONAL INC 478   2021-06-01   
334-643 4 Linden AL   604E ONVOY, LLC - AL 478   2021-03-04   
334-643 5 Linden AL   604E ONVOY, LLC - AL 478   2021-03-04   
334-643 6 Linden AL   604E ONVOY, LLC - AL 478   2021-03-04   
334-643 7 Linden AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478   2020-11-21   
334-643 8 Linden AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478   2020-11-21   
334-643 9 Linden AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478   2019-02-24   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.