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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Switch: CLDNNYXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-538 A Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      
585-538 0 Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      
585-538 1 Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      
585-538 2 Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      
585-538 3 Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      
585-538 4 Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      
585-538 5 Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      
585-538 6 Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      
585-538 9 Caledonia NY 0121 FRONTIER TELEPHONE OF ROCHESTER INC 974      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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