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: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-639 A El Dorado AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530      
870-639 0 El Dorado AR PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530      
870-639 1 El Dorado AR PNBLARJEX1Y  048G TCA COMMUNICATIONS, LLC DBA SUDDENLINK COMM - AR 530      
870-639 2 El Dorado AR PNBLARJEXEY  5562 METROPCS, INC. 530      
870-639 3 El Dorado AR PNBLARJEX1Y  048G TCA COMMUNICATIONS, LLC DBA SUDDENLINK COMM - AR 530      
870-639 4 El Dorado AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530      
870-639 5 El Dorado AR PNBLARJEXCY  6529 T-MOBILE USA, INC. 530      
870-639 6 El Dorado AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530      
870-639 7 El Dorado AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530      
870-639 8 El Dorado AR PNBLARIFTMD  516C AT&T CORP. 530      
870-639 9 El Dorado AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.