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: PTLDMEFO17Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
207-591 3 Westbrook ME 7421 AT&T - LOCAL 120   2001-06-20   
207-696 2 Madison ME 7421 AT&T - LOCAL 120   2007-11-22   
207-802 A Dover-Foxcroft ME 7421 AT&T - LOCAL 120      
207-802 2 Dover-Foxcroft ME 7421 AT&T - LOCAL 120   2006-09-22   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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