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: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-439 A Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 0 Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 1 Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 2 Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 3 Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 4 Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 5 Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 6 Hull IA HULLIAAF1MD  904D PREMIER COMMUNICATIONS, INC. - IA 630      
712-439 7 Hull IA HULLIAACRS4  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 8 Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 9 Hull IA SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.