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: AMRLTX02X1Y

<< 1 2 3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-884 A Dalhart TX 5562 METROPCS, INC. 546      
806-884 0 Dalhart TX 6529 T-MOBILE USA, INC. 546   2021-03-14   
806-884 1 Dalhart TX 6529 T-MOBILE USA, INC. 546   2021-05-09   
806-884 7 Dalhart TX 6529 T-MOBILE USA, INC. 546   2010-03-03   
806-884 8 Dalhart TX 5562 METROPCS, INC. 546   2007-09-09   
806-884 9 Dalhart TX 6529 T-MOBILE USA, INC. 546   2006-03-03   
806-907 0 Hereford TX 6529 T-MOBILE USA, INC. 546   2025-02-27   

<< 1 2 3

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.