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: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-399 A Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 0 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 1 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 2 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 3 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 4 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 5 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 6 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 7 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 8 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      
207-399 9 Skowhegan ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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