Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 207 [Rate centres in NPA 207] [Dial plan for NPA 207]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-257 A Plymouth ME PLMOMEXARS1  3315 MID-MAINE TELECOM LLC 120      
207-257 2 Plymouth ME PLMOMEXARS1  3315 MID-MAINE TELECOM LLC 120      
207-257 3 Plymouth ME PLMOMEXARS1  3315 MID-MAINE TELECOM LLC 120      
207-257 6 Plymouth ME   145J TERRA NOVA TELECOM INC. 120   2025-07-07   
207-257 7 Plymouth ME PTLDMEODDS0  1255 CRC COMMUNICATIONS OF MAINE, INC. - ME 120   2009-04-22   
207-257 8 Plymouth ME   793K TWC IP ENABLED SERVICES, LLC 120   2012-10-18   

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

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