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
563-856 8 Colesburg IA 221F ONVOY, LLC - IA 634   2021-03-14   
563-870 0 Holy Cross IA 221F ONVOY, LLC - IA 634   2021-03-14   
563-870 8 Holy Cross IA 221F ONVOY, LLC - IA 634   2020-06-27   
563-872 6 Bellevue IA 221F ONVOY, LLC - IA 634   2020-10-06   
563-872 7 Bellevue IA 221F ONVOY, LLC - IA 634   2020-10-06   
563-875 3 Dyersville IA 221F ONVOY, LLC - IA 634   2022-06-16   
563-888 8 Davenport IA 221F ONVOY, LLC - IA 634   2015-09-05   
563-893 3 Bennett IA 221F ONVOY, LLC - IA 634   2021-03-14   
563-893 8 Bennett IA 221F ONVOY, LLC - IA 634   2020-06-27   
563-900 3 Davenport IA 221F ONVOY, LLC - IA 634   2020-10-06   
563-900 4 Davenport IA 221F ONVOY, LLC - IA 634   2020-10-06   
563-900 5 Davenport IA 221F ONVOY, LLC - IA 634   2020-10-06   
563-921 0 New Vienna IA 221F ONVOY, LLC - IA 634   2021-03-14   
563-921 6 New Vienna IA 221F ONVOY, LLC - IA 634   2020-06-27   
563-944 4 Lowden IA 221F ONVOY, LLC - IA 634   2021-03-14   
563-944 9 Lowden IA 221F ONVOY, LLC - IA 634   2020-06-27   
563-945 4 Stanwood IA 221F ONVOY, LLC - IA 634   2020-06-27   
563-945 5 Stanwood IA 221F ONVOY, LLC - IA 634   2021-03-14   
563-946 4 Rochester IA 221F ONVOY, LLC - IA 634   2021-03-14   
563-946 5 Rochester IA 221F ONVOY, LLC - IA 634   2020-06-27   
660-688 6 Athens MO 093F ONVOY, LLC - MO 634   2022-02-11   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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