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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-800 A West Chicago IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-800 0 West Chicago IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-800 1 West Chicago IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-800 2 West Chicago IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-800 4 West Chicago IL   224C ONVOY, LLC 358      
331-800 5 West Chicago IL   224C ONVOY, LLC 358      
331-800 6 West Chicago IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-800 7 West Chicago IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-800 8 West Chicago IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-800 9 West Chicago IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      

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

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