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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-450 A Youngsville LA LFYULA09DS0  9002 LAFAYETTE CITY-PARISH CONSOLIDATED GOVERNMENT - LA 488      
337-450 0 Youngsville LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-450 1 Youngsville LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488      
337-450 2 Youngsville LA   260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 488      
337-450 3 Youngsville LA LFYULA09DS0  9002 LAFAYETTE CITY-PARISH CONSOLIDATED GOVERNMENT - LA 488      
337-450 4 Youngsville LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488      
337-450 5 Youngsville LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488      
337-450 6 Youngsville LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488      
337-450 7 Youngsville LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488      
337-450 8 Youngsville LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-450 9 Youngsville LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.