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: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-331 A Springfield IL SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374   2024-02-05   
217-331 0 Springfield IL SPFDILES7MD  224C ONVOY, LLC 374   2019-07-15   
217-331 1 Springfield IL SPFDILES7MD  224C ONVOY, LLC 374   2019-07-15   
217-331 2 Springfield IL SPFDILFAGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2011-07-25   
217-331 3 Springfield IL SPFDILFAGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2011-10-02   
217-331 4 Springfield IL SPFDILFAGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2012-01-06   
217-331 5 Springfield IL SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374      
217-331 6 Springfield IL SPFDILES0MD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 374   2014-05-13   
217-331 7 Springfield IL SPFDILES0MD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 374   2016-08-23   
217-331 8 Springfield IL SPFDILFAGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2008-07-01   
217-331 9 Springfield IL SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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