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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-323 A Belfast ME PTLDMECMAMD  6386 BELL ATLANTIC MOBILE, INC 120      
207-323 0 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-323 1 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-323 2 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-323 3 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-323 4 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-323 5 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-323 6 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-323 7 Belfast ME   8933 LINCOLNVILLE COMMUNICATIONS, INC. - ME 120   2008-01-14   
207-323 8 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-323 9 Belfast ME   6386 BELL ATLANTIC MOBILE, INC 120   2008-01-25   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.