Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-317 9 Sioux City IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-321 2 Cherokee IA 221F ONVOY, LLC - IA 630   2020-08-10   
712-321 5 Cherokee IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-321 6 Cherokee IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-321 7 Cherokee IA 221F ONVOY, LLC - IA 630   2020-10-02   
712-344 3 Sheldon IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-344 6 Sheldon IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-360 3 Orange City IA 221F ONVOY, LLC - IA 630   2018-10-19   
712-360 8 Orange City IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-360 9 Orange City IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-364 1 Ida Grove IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-364 6 Ida Grove IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-368 3 Holstein IA 221F ONVOY, LLC - IA 630   2018-10-19   
712-369 4 Ida Grove IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-371 1 Ida Grove IA 221F ONVOY, LLC - IA 630   2018-10-19   
712-371 5 Ida Grove IA 221F ONVOY, LLC - IA 630   2020-10-02   
712-371 6 Ida Grove IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-372 1 Correctionville IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-372 2 Correctionville IA 221F ONVOY, LLC - IA 630   2020-10-02   
712-372 3 Correctionville IA 221F ONVOY, LLC - IA 630   2018-10-19   
712-372 5 Correctionville IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-372 6 Correctionville IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-372 8 Correctionville IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-373 1 Anthon IA 221F ONVOY, LLC - IA 630   2020-10-02   
712-373 2 Anthon IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-373 3 Anthon IA 221F ONVOY, LLC - IA 630   2018-10-19   
712-373 4 Anthon IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-373 8 Anthon IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-378 5 Kingsley IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-378 6 Kingsley IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-383 1 Kingsley IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-383 2 Kingsley IA 221F ONVOY, LLC - IA 630   2021-03-08   
712-383 8 Kingsley IA 221F ONVOY, LLC - IA 630   2018-10-19   
712-395 6 Orange City IA 221F ONVOY, LLC - IA 630   2020-10-02   
712-397 A Whiting IA 221F ONVOY, LLC - IA 630      
712-397 1 Whiting IA 221F ONVOY, LLC - IA 630   2021-02-20   
712-397 2 Whiting IA 221F ONVOY, LLC - IA 630   2021-02-20   
712-398 8 Onawa IA 221F ONVOY, LLC - IA 630   2021-09-16   
712-403 A Sheldon IA 221F ONVOY, LLC - IA 630      
712-403 3 Sheldon IA 221F ONVOY, LLC - IA 630   2021-09-16   
712-403 6 Sheldon IA 221F ONVOY, LLC - IA 630   2021-04-14   
712-423 5 Onawa IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-423 6 Onawa IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-457 A Pierson IA 221F ONVOY, LLC - IA 630      
712-457 0 Pierson IA 221F ONVOY, LLC - IA 630   2023-09-10   
712-457 2 Pierson IA 221F ONVOY, LLC - IA 630   2023-07-14   
712-458 1 Whiting IA 221F ONVOY, LLC - IA 630   2021-01-16   
712-458 3 Whiting IA 221F ONVOY, LLC - IA 630   2019-07-25   
712-458 4 Whiting IA 221F ONVOY, LLC - IA 630   2018-10-19   
712-458 6 Whiting IA 221F ONVOY, LLC - IA 630   2019-07-25   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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