Local Calling Guide

Area code/prefix search

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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 252

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-252 A Dumont IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-252 2 Dumont IA   145J TERRA NOVA TELECOM INC. 632   2025-05-24   
641-252 4 Dumont IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2022-11-10   
641-252 9 Dumont IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2022-01-17   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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