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: 610

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-610 A Springfield IL SPFDILESX7X  551G NUSO, LLC 374      
217-610 0 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374   2016-10-10   
217-610 1 Springfield IL SPFDILESX7X  551G NUSO, LLC 374   2013-05-08   
217-610 2 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374   2016-10-10   
217-610 3 Springfield IL SPFDILES7MD  224C ONVOY, LLC 374   2015-06-18   
217-610 4 Springfield IL SPFDILES7MD  224C ONVOY, LLC 374   2015-06-18   
217-610 5 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374   2016-10-10   
217-610 6 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374   2016-10-10   
217-610 8 Springfield IL SPFDILMB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2015-12-05   
217-610 9 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374   2016-10-10   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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