Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 513 [Rate centres in NPA 513] [Dial plan for NPA 513]

NXX: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-664 A Oxford OH OXFROHXAPS0  0615 FRONTIER NORTH, INC. - OH 922      
513-664 0 Oxford OH HMTNOHHMDS0  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 922   2014-06-02   
513-664 1 Oxford OH OXFROHXADS0  0615 FRONTIER NORTH, INC. - OH 922      
513-664 2 Oxford OH OXFROHXADS0  0615 FRONTIER NORTH, INC. - OH 922      
513-664 3 Oxford OH OXFROHXADS0  0615 FRONTIER NORTH, INC. - OH 922      
513-664 4 Oxford OH OXFROHXADS0  0615 FRONTIER NORTH, INC. - OH 922      
513-664 5 Oxford OH OXFROHXAPS0  0615 FRONTIER NORTH, INC. - OH 922      
513-664 7 Oxford OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 922   2026-05-26   
513-664 9 Oxford OH OXFROHXADS0  0615 FRONTIER NORTH, INC. - OH 922      

Last updated: Sun, 17 May 2026 03:26:51 UTC

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