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: 606

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-606 A Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 0 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 1 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 2 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 3 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 4 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 5 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 6 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 7 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
817-606 8 Arlington EMS TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-606 9 Arlington EMS TX DLLTTX01CMD  5562 METROPCS, INC. 552      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.