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: 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 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, 26 Jan 2025 15:59:20 UTC

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