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.

Switch: PTLDMEFO06Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
207-220 A Oxford ME 454F ONVOY, LLC - ME 120      
207-305 A Farmington ME 454F ONVOY, LLC - ME 120      
207-352 A Portland ME 454F ONVOY, LLC - ME 120      
207-405 A Portland ME 454F ONVOY, LLC - ME 120      
207-503 A Scarborough ME 454F ONVOY, LLC - ME 120      
207-579 A Boothbay Harbor ME 454F ONVOY, LLC - ME 120      
207-707 A Augusta ME 454F ONVOY, LLC - ME 120      
207-819 A Scarborough ME 454F ONVOY, LLC - ME 120      
207-820 A Old Town ME 454F ONVOY, LLC - ME 120      
207-823 A Portland ME 454F ONVOY, LLC - ME 120      
207-886 A Camden ME 454F ONVOY, LLC - ME 120      
207-910 A Portland ME 454F ONVOY, LLC - ME 120      
207-945 A Bangor ME 454F ONVOY, LLC - ME 120      

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

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