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.

Spencer, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-232 A SPNCIAMU9MD  444G AUREON COMMUNICATIONS, LLC 630      
712-232 0   6529 T-MOBILE USA, INC. 630   2018-04-05   
712-232 1   6529 T-MOBILE USA, INC. 630   2018-04-05   
712-232 2   516J TON80 COMMUNICATIONS, LLC 630   2022-04-11   
712-232 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2025-10-04   
712-232 4   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2024-04-12   
712-232 5   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2023-03-09   
712-232 6   904D PREMIER COMMUNICATIONS, INC. - IA 630   2020-03-12   
712-232 7   444G AUREON COMMUNICATIONS, LLC 630   2013-09-16   
712-232 8   515J IP HORIZON LLC 630   2025-10-17   
712-232 9   939H COMMIO, LLC 630   2022-09-05   
712-240 A SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-240 0   6266 UNITED STATES CELLULAR - IA 630      
712-240 1   145J TERRA NOVA TELECOM INC. 630   2022-08-30   
712-240 2   6266 UNITED STATES CELLULAR - IA 630      
712-240 3   6266 UNITED STATES CELLULAR - IA 630      
712-240 4   6266 UNITED STATES CELLULAR - IA 630      
712-240 5   145J TERRA NOVA TELECOM INC. 630   2024-05-26   
712-240 6   145J TERRA NOVA TELECOM INC. 630   2023-11-16   
712-240 7   145J TERRA NOVA TELECOM INC. 630   2024-12-30   
712-240 9   145J TERRA NOVA TELECOM INC. 630   2025-07-26   
712-260 A SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-262 A SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 A SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 0   9631 QWEST CORPORATION 630      
712-264 1   9631 QWEST CORPORATION 630      
712-264 2   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2015-07-17   
712-264 3   9631 QWEST CORPORATION 630      
712-264 4   9631 QWEST CORPORATION 630      
712-264 5   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2009-11-19   
712-264 6   9631 QWEST CORPORATION 630      
712-264 7   9631 QWEST CORPORATION 630      
712-264 8   9631 QWEST CORPORATION 630      
712-264 9   9631 QWEST CORPORATION 630      
712-270 A SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-270 0   6266 UNITED STATES CELLULAR - IA 630      
712-270 1   5562 METROPCS, INC. 630   2018-07-03   
712-270 2   5562 METROPCS, INC. 630   2018-07-03   
712-270 8   6266 UNITED STATES CELLULAR - IA 630      
712-346 A   6529 T-MOBILE USA, INC. 630      
712-346 0   751F MCC TELEPHONY OF IOWA, LLC - IA 630   2010-04-23   
712-346 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2018-07-18   
712-346 5   508J CENTURYLINK COMMUNICATIONS, LLC 630   2016-12-28   
712-346 6   6529 T-MOBILE USA, INC. 630   2010-10-14   
712-346 7   6529 T-MOBILE USA, INC. 630   2007-11-19   
712-346 8   6529 T-MOBILE USA, INC. 630   2006-10-09   
712-363 A SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 0   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 1   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 2   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 3   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 4   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 5   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 6   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 7   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-363 8   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2016-04-20   
712-363 9   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2016-06-28   
712-514 A   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-514 0   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2025-12-05   
712-514 7   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2024-10-07   
712-514 9   321J HD CARRIER LLC 630   2019-12-26   
712-580 A SPNCIAMUDS0  3390 SPENCER MUNICIPAL COMMUNICATION UTILITY 630      
712-584 A SXCYIADTXFX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 630      
712-584 0   495J STRATUS NETWORKS 630   2021-01-11   
712-584 2   904D PREMIER COMMUNICATIONS, INC. - IA 630   2014-10-13   
712-584 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 630   2008-02-08   
712-584 4   145J TERRA NOVA TELECOM INC. 630   2023-04-26   
712-584 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2006-04-02   
712-584 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2007-08-08   
712-584 7   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630   2012-07-12   
712-584 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2024-09-09   
712-584 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2020-12-30   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.