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: 441

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-441 A Augusta ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-441 0 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 1 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 2 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 3 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 4 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 5 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 6 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 7 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 8 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      
207-441 9 Augusta ME   6291 UNITED STATES CELLULAR - ME 120      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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