Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 775

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-775 A Decatur IL DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-775 0 Decatur IL   224C ONVOY, LLC 374   2018-01-22   
217-775 1 Decatur IL   6529 T-MOBILE USA, INC. 374   2011-03-26   
217-775 2 Decatur IL   6529 T-MOBILE USA, INC. 374   2011-03-26   
217-775 3 Decatur IL   6529 T-MOBILE USA, INC. 374   2011-03-26   
217-775 4 Decatur IL   6529 T-MOBILE USA, INC. 374   2016-06-20   
217-775 5 Decatur IL   5562 METROPCS, INC. 374   2015-08-12   
217-775 6 Decatur IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 374   2018-03-08   
217-775 7 Decatur IL   6529 T-MOBILE USA, INC. 374   2011-02-23   
217-775 8 Decatur IL   6529 T-MOBILE USA, INC. 374   2011-02-23   
217-775 9 Decatur IL   6529 T-MOBILE USA, INC. 374      

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

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