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.
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OCN: 1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
815-743 A Graymont IL GRMTILXARS0  366      
815-743 0 Graymont IL GRMTILXARS0  366      
815-743 1 Graymont IL GRMTILXARS0  366      
815-743 5 Graymont IL GRMTILXARS0  366      
815-743 6 Graymont IL GRMTILXARS0  366      
815-743 7 Graymont IL GRMTILXARS0  366      
815-743 8 Graymont IL GRMTILXARS0  366      
815-743 9 Graymont IL GRMTILXARS0  366      
815-796 A Flanagan IL FLNGILXADS0  366      
815-796 0 Flanagan IL FLNGILXADS0  366      
815-796 1 Flanagan IL FLNGILXADS0  366      
815-796 2 Flanagan IL FLNGILXADS0  366      
815-796 3 Flanagan IL FLNGILXADS0  366      
815-796 4 Flanagan IL FLNGILXADS0  366      
815-796 7 Flanagan IL FLNGILXADS0  366      
815-796 8 Flanagan IL FLNGILXADS0  366      
815-796 9 Flanagan IL FLNGILXADS0  366      

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

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