Local Calling Guide

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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-306 A Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 0 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 1 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 2 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 3 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 4 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 5 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 6 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 7 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 8 Springfield IL SPFDILSDRMD  6529 T-MOBILE USA, INC. 374      
217-306 9 Springfield IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2025-09-26   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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