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: 260

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-260 A Downers Grove IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
331-260 0 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-07   
331-260 1 Downers Grove IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2019-03-29   
331-260 2 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2021-03-01   
331-260 3 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-16   
331-260 4 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-16   
331-260 5 Downers Grove IL CHCGILWUIMD  197D VONAGE AMERICA LLC 358   2020-10-12   
331-260 6 Downers Grove IL CHCGILWUIMD  197D VONAGE AMERICA LLC 358   2020-10-12   
331-260 7 Downers Grove IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2020-10-15   
331-260 8 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-07   
331-260 9 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-07   

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

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