Local Calling Guide

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

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-250 A Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-250 0 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-04-12   
331-250 1 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2012-08-30   
331-250 2 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2012-08-30   
331-250 3 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-20   
331-250 4 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-20   
331-250 5 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-20   
331-250 6 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-20   
331-250 7 Aurora IL CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2013-06-28   
331-250 8 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2014-03-30   
331-250 9 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-04-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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