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: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-253 A Lemont IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
331-253 0 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-253 1 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-253 2 Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-253 3 Lemont IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
331-253 4 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-253 5 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-253 6 Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-253 7 Lemont IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
331-253 8 Lemont IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
331-253 9 Lemont IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      

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

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