Local Calling Guide

Area code/prefix search

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Sumner, ME

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
207-388 A TRNRMEXADS0  0019 OXFORD COUNTY TEL. & TEL. CO. 120      
207-388 2 SMNRMEXADS0  0019 OXFORD COUNTY TEL. & TEL. CO. 120      
207-388 3 SMNRMEXADS0  0019 OXFORD COUNTY TEL. & TEL. CO. 120      
207-388 6 TRNRMEXADS0  0019 OXFORD COUNTY TEL. & TEL. CO. 120      
207-388 8   145J TERRA NOVA TELECOM INC. 120   2025-06-06   
207-388 9 SMNRMEXADS0  0019 OXFORD COUNTY TEL. & TEL. CO. 120      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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