Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 329

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
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   
641-329 4 Bailey IA   221F ONVOY, LLC - IA 620   2019-09-20   
641-329 5 Bailey IA   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
641-329 6 Bailey IA   221F ONVOY, LLC - IA 620   2020-03-27   
641-329 7 Bailey IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 620   2017-05-09   
641-329 8 Bailey IA   073H TELNYX LLC 620   2020-05-22   
641-329 9 Bailey IA   221F ONVOY, LLC - IA 620   2020-08-10   

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

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