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.

Switch: FTSMARSUDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
479-424 A Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 0 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 1 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 2 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 3 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 4 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 5 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 6 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 8 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      
479-424 9 Fort Smith AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 526      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.