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: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 471

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-471 A Franklin LA LFYTLAATX7X  516C AT&T CORP. 488      
337-471 0 Franklin LA ABVLLACT0MD  4930 LOUISIANA COMPETITIVE TELECOMMUNICATIONS, INC. 488   2016-07-22   
337-471 1 Franklin LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488   2018-04-11   
337-471 2 Franklin LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2021-04-25   
337-471 3 Franklin LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2021-04-25   
337-471 7 Franklin LA LFYTLAATX7X  516C AT&T CORP. 488   2010-02-12   
337-471 8 Franklin LA   749E ONVOY, LLC - LA 488   2024-03-07   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.