Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
217-768 A Moweaqua IL MOWQILXCDS0  374      
217-768 0 Moweaqua IL MOWQILXCDS0  374      
217-768 1 Moweaqua IL MOWQILXCDS0  374      
217-768 2 Moweaqua IL MOWQILXCDS0  374      
217-768 3 Moweaqua IL MOWQILXCDS0  374      
217-768 4 Moweaqua IL MOWQILXCDS0  374      
217-768 5 Moweaqua IL MOWQILXCDS0  374      
217-768 7 Moweaqua IL MOWQILXCDS0  374      
217-768 8 Moweaqua IL MOWQILXCDS0  374      
217-768 9 Moweaqua IL MOWQILXCDS0  374      
309-725 A Cooksville IL CKVLILXDRS0  366      
309-725 0 Cooksville IL CKVLILXDRS0  366      
309-725 1 Cooksville IL CKVLILXDRS0  366      
309-725 3 Cooksville IL CKVLILXDRS0  366      
309-725 6 Cooksville IL CKVLILXDRS0  366      
309-725 7 Cooksville IL CKVLILXDRS0  366      
309-725 8 Cooksville IL CKVLILXDRS0  366      
309-725 9 Cooksville IL CKVLILXDRS0  366      
309-728 A Towanda IL TWNDILXDDS0  366      
309-963 A Danvers IL DNVSILXDDS0  366      
815-253 A Kempton IL KMTNILXARS0  366      
815-253 0 Kempton IL KMTNILXARS0  366      
815-253 1 Kempton IL KMTNILXARS0  366      
815-253 6 Kempton IL KMTNILXARS0  366      
815-253 7 Kempton IL KMTNILXARS0  366      
815-253 8 Kempton IL KMTNILXARS0  366      
815-253 9 Kempton IL KMTNILXARS0  366      
815-689 A Cullom IL CLLMILXADS0  366      
815-832 A Saunemin IL SNMNILXARS0  366      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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