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: 730

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-730 A Opelousas LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488      
337-730 0 Opelousas LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488   2023-09-05   
337-730 1 Opelousas LA LFYTLA360MD  150C VOICESTREAM GSM I, LLC 488   2023-11-06   
337-730 2 Opelousas LA LFYTLA360MD  150C VOICESTREAM GSM I, LLC 488   2023-11-06   
337-730 3 Opelousas LA LFYTLA360MD  150C VOICESTREAM GSM I, LLC 488   2023-11-06   
337-730 4 Opelousas LA LFYTLA360MD  150C VOICESTREAM GSM I, LLC 488   2023-11-06   
337-730 5 Opelousas LA   515J IP HORIZON LLC 488   2024-04-29   
337-730 8 Opelousas LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2023-09-09   
337-730 9 Opelousas LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2023-09-09   

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.