Local Calling Guide

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Region: IA

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-316 4 Iowa Falls IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2016-09-15   
641-316 5 Iowa Falls IA   221F ONVOY, LLC - IA 632   2012-12-14   
641-316 6 Iowa Falls IA   221F ONVOY, LLC - IA 632   2012-12-14   
641-316 7 Iowa Falls IA   221F ONVOY, LLC - IA 632   2008-02-25   
641-316 8 Iowa Falls IA   221F ONVOY, LLC - IA 632   2012-12-14   
641-316 9 Iowa Falls IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2014-07-10   
641-317 A Kanawha IA KLDFIAXODS0  860F GREENWAY COMMUNICATIONS L.L.C. - IA 632      
641-317 0 Kanawha IA   860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2011-06-13   
641-317 1 Kanawha IA   860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2011-06-13   
641-317 3 Kanawha IA   5562 METROPCS, INC. 632   2018-08-03   
641-317 7 Kanawha IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-317 8 Kanawha IA   6529 T-MOBILE USA, INC. 632   2024-08-15   
641-317 9 Kanawha IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2021-05-31   
641-318 A Knoxville IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-321 A Mount Ayr IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-321 0 Mount Ayr IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2020-10-20   
641-321 1 Mount Ayr IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-321 2 Mount Ayr IA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 632   2018-04-02   
641-321 3 Mount Ayr IA   221F ONVOY, LLC - IA 632   2019-11-29   
641-321 4 Mount Ayr IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2022-02-18   
641-321 5 Mount Ayr IA   624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-321 6 Mount Ayr IA   221F ONVOY, LLC - IA 632   2020-08-10   
641-321 7 Mount Ayr IA   508J CENTURYLINK COMMUNICATIONS, LLC 632   2018-02-02   
641-321 9 Mount Ayr IA   6266 UNITED STATES CELLULAR - IA 632   2021-10-09   
641-322 A Corning IA CRNGIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
641-322 0 Corning IA   1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
641-322 1 Corning IA   444G AUREON COMMUNICATIONS, LLC 632   2019-09-30   
641-322 2 Corning IA   221F ONVOY, LLC - IA 632   2021-04-16   
641-322 3 Corning IA   1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
641-322 4 Corning IA   1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
641-322 5 Corning IA   1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
641-322 6 Corning IA   1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
641-322 7 Corning IA   624H ONVOY SPECTRUM, LLC 632   2021-07-17   
641-322 8 Corning IA   221F ONVOY, LLC - IA 632   2021-04-16   
641-322 9 Corning IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2021-03-10   
641-323 A Northwood IA NWODIA051MD  6103 WINNEBAGO COOPERATIVE TELEPHONE ASSOCIATION - IA 632      
641-323 0 Northwood IA   751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-323 1 Northwood IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2010-04-01   
641-323 2 Northwood IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2012-02-09   
641-323 3 Northwood IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2015-05-25   
641-323 4 Northwood IA   221F ONVOY, LLC - IA 632   2016-04-06   
641-323 5 Northwood IA   221F ONVOY, LLC - IA 632   2016-04-06   
641-323 6 Northwood IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2016-07-16   
641-323 7 Northwood IA   6103 WINNEBAGO COOPERATIVE TELEPHONE ASSOCIATION - IA 632   2005-09-29   
641-323 8 Northwood IA   221F ONVOY, LLC - IA 632   2017-06-22   
641-323 9 Northwood IA   073H TELNYX LLC 632   2020-05-29   
641-324 A Northwood IA NWODIACORS3  9631 QWEST CORPORATION 632      
641-324 0 Northwood IA   9631 QWEST CORPORATION 632      
641-324 1 Northwood IA   9631 QWEST CORPORATION 632      
641-324 2 Northwood IA   9631 QWEST CORPORATION 632      
641-324 3 Northwood IA   9631 QWEST CORPORATION 632      
641-324 4 Northwood IA   9631 QWEST CORPORATION 632      
641-324 5 Northwood IA   515J IP HORIZON LLC 632   2025-09-26   
641-324 6 Northwood IA   221F ONVOY, LLC - IA 632   2018-04-14   
641-324 7 Northwood IA   221F ONVOY, LLC - IA 632   2008-08-29   
641-324 8 Northwood IA   6529 T-MOBILE USA, INC. 632   2009-03-09   
641-324 9 Northwood IA   9631 QWEST CORPORATION 632      
641-325 A Grinnell IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-325 1 Grinnell IA   6266 UNITED STATES CELLULAR - IA 632   2007-07-01   
641-325 2 Grinnell IA   6266 UNITED STATES CELLULAR - IA 632   2015-01-10   
641-325 3 Grinnell IA   6266 UNITED STATES CELLULAR - IA 632   2018-01-20   
641-325 4 Grinnell IA   221F ONVOY, LLC - IA 632   2021-05-06   
641-325 5 Grinnell IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-325 7 Grinnell IA   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-01-14   
641-326 A Mona IA LYLEMNXMDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-326 0 Mona IA   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-326 1 Mona IA   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-326 2 Mona IA   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-326 3 Mona IA   221F ONVOY, LLC - IA 620   2017-05-25   
641-326 4 Mona IA   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-326 5 Mona IA   221F ONVOY, LLC - IA 620   2019-09-20   
641-326 6 Mona IA   221F ONVOY, LLC - IA 620   2019-09-20   
641-326 7 Mona IA   624H ONVOY SPECTRUM, LLC 620   2021-10-29   
641-326 8 Mona IA   221F ONVOY, LLC - IA 620   2020-03-27   
641-326 9 Mona IA   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-327 A Wellsburg IA WSBGIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-327 0 Wellsburg IA   6529 T-MOBILE USA, INC. 632   2024-08-15   
641-327 2 Wellsburg IA   516J TON80 COMMUNICATIONS, LLC 632   2022-04-21   
641-327 3 Wellsburg IA   221F ONVOY, LLC - IA 632   2021-05-08   
641-327 4 Wellsburg IA   624H ONVOY SPECTRUM, LLC 632   2024-03-08   
641-327 6 Wellsburg IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2021-12-01   
641-327 7 Wellsburg IA   221F ONVOY, LLC - IA 632   2021-09-04   
641-327 8 Wellsburg IA   346F HEART OF IOWA VENTURES, L.L.C. - IA 632   2025-05-23   
641-327 9 Wellsburg IA   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632   2019-12-05   
641-328 A Marshalltown IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-328 0 Marshalltown IA   221F ONVOY, LLC - IA 632   2024-04-16   
641-328 1 Marshalltown IA   751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-328 2 Marshalltown IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2015-08-20   
641-328 3 Marshalltown IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2014-10-10   
641-328 4 Marshalltown IA   6266 UNITED STATES CELLULAR - IA 632   2003-09-30   
641-328 5 Marshalltown IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2010-10-08   
641-328 6 Marshalltown IA   444G AUREON COMMUNICATIONS, LLC 632   2017-12-21   
641-328 7 Marshalltown IA   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-24   
641-328 8 Marshalltown IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2018-06-02   
641-328 9 Marshalltown IA   6266 UNITED STATES CELLULAR - IA 632   2003-09-29   
641-329 A Bailey IA LERYMNXBRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-329 0 Bailey IA   221F ONVOY, LLC - IA 620   2017-05-25   
641-329 1 Bailey IA   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-329 2 Bailey IA   221F ONVOY, LLC - IA 620   2019-09-20   
641-329 3 Bailey IA   221F ONVOY, LLC - IA 620   2018-07-06   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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