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: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-270 A Lafayette LA LFYTLAMAXBZ  114J EXIANT COMMUNICATIONS LLC 488      
337-270 0 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2021-05-21   
337-270 1 Lafayette LA LFYTLAMAXBZ  114J EXIANT COMMUNICATIONS LLC 488   2019-12-27   
337-270 2 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2020-09-03   
337-270 3 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2020-09-03   
337-270 4 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2020-09-03   
337-270 5 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2020-11-19   
337-270 6 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2020-11-19   
337-270 7 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2020-11-19   
337-270 8 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2020-11-19   
337-270 9 Lafayette LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2021-05-21   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.