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: 850

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-850 A Champaign-Urbana IL CHMPILCPX2Y  114J EXIANT COMMUNICATIONS LLC 370      
217-850 0 Champaign-Urbana IL   073H TELNYX LLC 370   2017-03-30   
217-850 1 Champaign-Urbana IL   224C ONVOY, LLC 370   2017-06-26   
217-850 2 Champaign-Urbana IL   5562 METROPCS, INC. 370   2017-02-23   
217-850 3 Champaign-Urbana IL   5562 METROPCS, INC. 370   2020-04-13   
217-850 4 Champaign-Urbana IL   5562 METROPCS, INC. 370   2020-08-22   
217-850 5 Champaign-Urbana IL   5562 METROPCS, INC. 370   2018-10-08   
217-850 7 Champaign-Urbana IL   5562 METROPCS, INC. 370   2021-01-07   
217-850 8 Champaign-Urbana IL   114J EXIANT COMMUNICATIONS LLC 370   2018-04-28   
217-850 9 Champaign-Urbana IL   224C ONVOY, LLC 370   2026-01-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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