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: 966

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-966 A Bladensburg IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632      
641-966 2 Bladensburg IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-966 6 Bladensburg IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632   2022-04-29   
641-966 9 Bladensburg IA   145J TERRA NOVA TELECOM INC. 632   2025-07-04   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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