Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MTMRNYXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-658 A Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 0 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 2 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 3 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 4 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 5 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 7 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 8 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 9 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

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

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