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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-318 A Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-318 0 Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-318 1 Lemont IL   515J IP HORIZON LLC 358      
331-318 2 Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-318 3 Lemont IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
331-318 4 Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-318 5 Lemont IL   460K FIRST COMMUNICATIONS, LLC 358      
331-318 6 Lemont IL CHCGILCPDS9  138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358      
331-318 7 Lemont IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-318 8 Lemont IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-318 9 Lemont IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      

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

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