Local Calling Guide

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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-750 A Bloomington IL BLTNILATOMD  6529 T-MOBILE USA, INC. 366      
309-750 0 Bloomington IL   6529 T-MOBILE USA, INC. 366      
309-750 1 Bloomington IL   6529 T-MOBILE USA, INC. 366   2005-03-04   
309-750 2 Bloomington IL   6529 T-MOBILE USA, INC. 366   2006-04-27   
309-750 3 Bloomington IL   6529 T-MOBILE USA, INC. 366   2006-12-29   
309-750 4 Bloomington IL   6529 T-MOBILE USA, INC. 366   2007-10-23   
309-750 5 Bloomington IL   6529 T-MOBILE USA, INC. 366   2008-07-04   
309-750 6 Bloomington IL   6529 T-MOBILE USA, INC. 366   2009-06-01   
309-750 7 Bloomington IL   6529 T-MOBILE USA, INC. 366   2010-05-28   
309-750 8 Bloomington IL   6529 T-MOBILE USA, INC. 366   2010-07-30   
309-750 9 Bloomington IL   6529 T-MOBILE USA, INC. 366      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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