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: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-279 A Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 0 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 1 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 2 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 3 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 4 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 5 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 6 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 7 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 8 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 552      
817-279 9 Granbury EMS TX GRBYTXRADS0  9533 SOUTHWESTERN BELL 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.