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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NPA: 207 [Rate centres in NPA 207] [Dial plan for NPA 207]

NXX: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-556 A Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120      
207-556 0 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 1 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 2 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 3 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 4 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 5 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 6 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 7 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 8 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   
207-556 9 Westbrook ME PTLDMEFO17Z  7421 AT&T - LOCAL 120   2006-06-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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