Local Calling Guide

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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 826

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-826 A Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358      
331-826 0 Elmhurst IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2009-06-30   
331-826 1 Elmhurst IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2009-11-02   
331-826 2 Elmhurst IL CHCGIL24DS6  224C ONVOY, LLC 358   2010-09-07   
331-826 3 Elmhurst IL CHCGIL24DS6  224C ONVOY, LLC 358   2010-09-07   
331-826 4 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2010-09-20   
331-826 5 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2010-09-20   
331-826 6 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2010-09-20   
331-826 7 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2010-09-20   
331-826 8 Elmhurst IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-02-25   
331-826 9 Elmhurst IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-01-22   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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