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.

Switch: LFYTLAMAX7Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
337-386 A De Quincy LA 624H ONVOY SPECTRUM, LLC 488   2024-02-08   
337-730 A Opelousas LA 624H ONVOY SPECTRUM, LLC 488      
337-771 A Parks LA 624H ONVOY SPECTRUM, LLC 488      
337-773 A Broussard LA 624H ONVOY SPECTRUM, LLC 488      
337-901 A Lafayette LA 624H ONVOY SPECTRUM, LLC 488      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.