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: 563

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-563 A Carlyss LA   5562 METROPCS, INC. 488      
337-563 0 Carlyss LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-563 1 Carlyss LA LKCHLA181MD  5562 METROPCS, INC. 488      
337-563 3 Carlyss LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-563 4 Carlyss LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-563 5 Carlyss LA LKCHLA181MD  5562 METROPCS, INC. 488      
337-563 6 Carlyss LA LKCHLA181MD  5562 METROPCS, INC. 488      
337-563 7 Carlyss LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-563 8 Carlyss LA   5562 METROPCS, INC. 488      
337-563 9 Carlyss LA   150C VOICESTREAM GSM I, LLC 488      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.