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: 870 [Rate centres in NPA 870] [Dial plan for NPA 870]

NXX: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-309 A El Dorado AR ELDOARMADS0  9533 SOUTHWESTERN BELL 530      
870-309 0 El Dorado AR PNBLARJEXCY  6529 T-MOBILE USA, INC. 530   2011-11-08   
870-309 1 El Dorado AR PNBLARJEXCY  6529 T-MOBILE USA, INC. 530   2011-11-08   
870-309 2 El Dorado AR PNBLARJEXCY  6529 T-MOBILE USA, INC. 530   2011-11-08   
870-309 3 El Dorado AR ELDOARMADS0  9533 SOUTHWESTERN BELL 530      
870-309 4 El Dorado AR PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2019-12-22   
870-309 5 El Dorado AR PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2019-12-22   
870-309 6 El Dorado AR PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2019-12-22   
870-309 7 El Dorado AR PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2019-12-22   
870-309 8 El Dorado AR PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2019-12-22   
870-309 9 El Dorado AR PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2019-12-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.