Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-277 A Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-277 0 Lombard IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-277 1 Lombard IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-277 2 Lombard IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-277 3 Lombard IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-277 4 Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-277 5 Lombard IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-277 6 Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-277 7 Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-277 8 Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-277 9 Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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