Local Calling Guide

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-418 7 Corning IA 221F ONVOY, LLC - IA 632   2019-10-28   
641-426 3 Charles City IA 221F ONVOY, LLC - IA 632   2012-12-14   
641-435 3 Nashua IA 221F ONVOY, LLC - IA 632   2016-04-11   
641-435 5 Nashua IA 221F ONVOY, LLC - IA 632   2013-04-04   
641-435 6 Nashua IA 221F ONVOY, LLC - IA 632   2016-04-11   
641-435 7 Nashua IA 221F ONVOY, LLC - IA 632   2008-08-29   
641-435 9 Nashua IA 221F ONVOY, LLC - IA 632   2017-09-21   
641-436 9 Centerville IA 221F ONVOY, LLC - IA 632   2023-03-03   
641-450 1 Mason City IA 221F ONVOY, LLC - IA 632   2016-03-12   
641-450 2 Mason City IA 221F ONVOY, LLC - IA 632   2016-03-12   
641-450 7 Mason City IA 221F ONVOY, LLC - IA 632   2014-11-07   
641-454 0 Manly IA 221F ONVOY, LLC - IA 632   2016-04-15   
641-454 6 Manly IA 221F ONVOY, LLC - IA 632   2012-12-14   
641-454 7 Manly IA 221F ONVOY, LLC - IA 632   2012-12-14   
641-454 9 Manly IA 221F ONVOY, LLC - IA 632   2016-04-15   
641-456 6 Hampton IA 221F ONVOY, LLC - IA 632   2008-02-25   
641-458 1 Geneva IA 221F ONVOY, LLC - IA 632   2016-04-04   
641-458 2 Geneva IA 221F ONVOY, LLC - IA 632   2013-01-24   
641-458 5 Geneva IA 221F ONVOY, LLC - IA 632   2012-12-14   
641-458 6 Geneva IA 221F ONVOY, LLC - IA 632   2012-12-14   
641-458 7 Geneva IA 221F ONVOY, LLC - IA 632   2008-08-29   
641-458 9 Geneva IA 221F ONVOY, LLC - IA 632   2016-04-04   
641-461 1 Charles City IA 221F ONVOY, LLC - IA 632   2020-11-19   
641-461 2 Charles City IA 221F ONVOY, LLC - IA 632   2020-11-19   
641-500 4 Iowa Falls IA 221F ONVOY, LLC - IA 632   2020-11-19   
641-500 5 Iowa Falls IA 221F ONVOY, LLC - IA 632   2020-08-31   
641-500 6 Iowa Falls IA 221F ONVOY, LLC - IA 632   2020-08-31   
641-505 4 Manly IA 221F ONVOY, LLC - IA 632   2019-09-20   
641-505 6 Manly IA 221F ONVOY, LLC - IA 632   2019-09-20   
641-505 7 Manly IA 221F ONVOY, LLC - IA 632   2020-08-31   
641-505 8 Manly IA 221F ONVOY, LLC - IA 632   2020-08-31   
641-505 9 Manly IA 221F ONVOY, LLC - IA 632   2021-03-08   
641-513 A Mason City IA 221F ONVOY, LLC - IA 632   2024-05-03   
641-513 0 Mason City IA 221F ONVOY, LLC - IA 632   2024-05-03   
641-513 1 Mason City IA 221F ONVOY, LLC - IA 632   2024-05-03   
641-516 0 Marshalltown IA 221F ONVOY, LLC - IA 632   2024-03-02   
641-516 2 Marshalltown IA 221F ONVOY, LLC - IA 632   2023-08-11   
641-516 3 Marshalltown IA 221F ONVOY, LLC - IA 632   2021-04-16   
641-516 4 Marshalltown IA 221F ONVOY, LLC - IA 632   2021-04-16   
641-516 6 Marshalltown IA 221F ONVOY, LLC - IA 632   2023-08-11   
641-516 7 Marshalltown IA 221F ONVOY, LLC - IA 632   2023-08-11   
641-516 8 Marshalltown IA 221F ONVOY, LLC - IA 632   2023-08-11   
641-516 9 Marshalltown IA 221F ONVOY, LLC - IA 632   2023-08-11   
641-517 0 Oskaloosa IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-517 1 Oskaloosa IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-517 2 Oskaloosa IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-517 3 Oskaloosa IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-517 4 Oskaloosa IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-517 6 Oskaloosa IA 221F ONVOY, LLC - IA 632   2024-05-20   
641-519 2 Garner IA 221F ONVOY, LLC - IA 632   2012-12-14   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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