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.

Hull, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-439 A SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 0   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 1   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 2   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 3   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 4   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 5   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 6   904D PREMIER COMMUNICATIONS, INC. - IA 630   2006-09-22   
712-439 7   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 8   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-439 9   1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
712-578 A SXCYIA78X9X  6529 T-MOBILE USA, INC. 630      
712-578 0   6529 T-MOBILE USA, INC. 630      
712-578 1   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2013-04-22   
712-578 2   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2016-08-28   
712-578 3   6529 T-MOBILE USA, INC. 630   2018-04-12   
712-578 4   6529 T-MOBILE USA, INC. 630   2018-04-12   
712-578 5   5562 METROPCS, INC. 630   2018-07-18   
712-578 6   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2020-04-07   
712-578 7   6529 T-MOBILE USA, INC. 630      
712-578 8   6529 T-MOBILE USA, INC. 630      
712-578 9   6529 T-MOBILE USA, INC. 630      
712-877 A SXCYIADTWMD  965H FRACTEL, LLC 630      
712-877 6   516J TON80 COMMUNICATIONS, LLC 630   2022-04-21   
712-877 7   965H FRACTEL, LLC 630   2020-09-13   
712-877 8   145J TERRA NOVA TELECOM INC. 630   2025-05-17   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.