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: 334

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-334 A Rose Hill IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-334 0 Rose Hill IA   073H TELNYX LLC 632   2020-05-29   
641-334 1 Rose Hill IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2023-01-08   
641-334 2 Rose Hill IA   624H ONVOY SPECTRUM, LLC 632   2024-12-19   
641-334 3 Rose Hill IA   221F ONVOY, LLC - IA 632   2020-08-31   
641-334 4 Rose Hill IA   221F ONVOY, LLC - IA 632   2020-08-31   
641-334 5 Rose Hill IA   221F ONVOY, LLC - IA 632   2020-11-20   
641-334 6 Rose Hill IA   221F ONVOY, LLC - IA 632   2019-10-25   
641-334 7 Rose Hill IA   221F ONVOY, LLC - IA 632   2021-04-16   
641-334 8 Rose Hill IA   221F ONVOY, LLC - IA 632   2021-04-16   
641-334 9 Rose Hill IA   515J IP HORIZON LLC 632   2025-09-26   

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

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