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: 803

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-803 A Duson LA LFYTLAMAXLZ  3807 NETWORK TELEPHONE CORPORATION - LA 488      
337-803 0 Duson LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488   2023-07-22   
337-803 1 Duson LA LFYULA09DS0  9002 LAFAYETTE CITY-PARISH CONSOLIDATED GOVERNMENT - LA 488   2024-01-13   
337-803 3 Duson LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2022-09-26   
337-803 6 Duson LA LFYTLAMAXLZ  3807 NETWORK TELEPHONE CORPORATION - LA 488      
337-803 8 Duson LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2023-05-28   
337-803 9 Duson LA LFYTLAMAXLZ  3807 NETWORK TELEPHONE CORPORATION - LA 488      

Last updated: Mon, 01 Apr 2024 02:18:34 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.