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: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 449

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-449 A Arlington EMS TX FTWOTXARDS0  9533 SOUTHWESTERN BELL 552      
817-449 0 Arlington EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2004-02-09   
817-449 1 Arlington EMS TX FTWOTXARDS0  9533 SOUTHWESTERN BELL 552      
817-449 2 Arlington EMS TX   792K CHARTER IP ENABLED SERVICES, LLC 552   2005-12-25   
817-449 3 Arlington EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2006-03-11   
817-449 4 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-01-12   
817-449 5 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-01-12   
817-449 6 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-03-01   
817-449 7 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-01-12   
817-449 8 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-01-12   
817-449 9 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-01-12   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.