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: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-250 A Litchfield IL TYVLILXCZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976      
217-250 0 Litchfield IL TYVLILXCBMD  6529 T-MOBILE USA, INC. 976   2018-02-18   
217-250 1 Litchfield IL TYVLILXCBMD  6529 T-MOBILE USA, INC. 976   2018-02-18   
217-250 2 Litchfield IL MTONILXC1MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976   2017-09-14   
217-250 3 Litchfield IL TYVLILXCAMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 976   2017-01-20   
217-250 4 Litchfield IL TYVLILXCYMD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 976   2018-09-05   
217-250 5 Litchfield IL MTONILXCXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 976   2019-10-01   
217-250 6 Litchfield IL TYVLILXCBMD  6529 T-MOBILE USA, INC. 976   2020-12-01   
217-250 7 Litchfield IL TYVLILXCBMD  6529 T-MOBILE USA, INC. 976   2020-12-01   
217-250 8 Litchfield IL MTONILXCXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 976   2017-12-04   
217-250 9 Litchfield IL TYVLILXCZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2015-09-18   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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