Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 872 [Rate centres in NPA 872] [Dial plan for NPA 872]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-231 A Chicago Zone 05-Austin IL CHCGIL24DS6  224C ONVOY, LLC 358      
872-231 0 Chicago Zone 05-Austin IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-02-25   
872-231 1 Chicago Zone 05-Austin IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-02-25   
872-231 2 Chicago Zone 05-Austin IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2018-07-15   
872-231 3 Chicago Zone 05-Austin IL CHCGIL24DS6  224C ONVOY, LLC 358   2018-09-16   
872-231 4 Chicago Zone 05-Austin IL CHCGIL24DS6  224C ONVOY, LLC 358   2018-12-27   
872-231 5 Chicago Zone 05-Austin IL CHCGILWUJMD  073H TELNYX LLC 358   2017-04-21   
872-231 6 Chicago Zone 05-Austin IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2017-11-04   
872-231 7 Chicago Zone 05-Austin IL   515J IP HORIZON LLC 358   2016-08-09   
872-231 8 Chicago Zone 05-Austin IL   515J IP HORIZON LLC 358   2016-08-09   
872-231 9 Chicago Zone 05-Austin IL CHCGILCLXOX  516C AT&T CORP. 358   2016-07-13   

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

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