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: 267

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-267 A Lombard IL CHCGILWUIMD  197D VONAGE AMERICA LLC 358      
331-267 0 Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2021-04-30   
331-267 1 Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-02-15   
331-267 2 Lombard IL CHCGILNEXIX  506J TWILIO INTERNATIONAL, INC. 358   2021-04-13   
331-267 3 Lombard IL CHCGILWUIMD  197D VONAGE AMERICA LLC 358   2020-11-19   
331-267 4 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-01-03   
331-267 5 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-01-03   
331-267 6 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-01-03   
331-267 7 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-01-03   
331-267 8 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-01-03   
331-267 9 Lombard IL CHCGILWUIMD  197D VONAGE AMERICA LLC 358   2020-11-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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