Local Calling Guide

Area code/prefix search

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

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-531 A Lewiston ME PTLDMECMAMD  6386 BELL ATLANTIC MOBILE, INC 120      
207-531 0 Lewiston ME   6386 BELL ATLANTIC MOBILE, INC 120   2020-07-05   
207-531 1 Lewiston ME   939H COMMIO, LLC 120   2021-11-02   
207-531 2 Lewiston ME   939H COMMIO, LLC 120   2021-11-02   
207-531 3 Lewiston ME   454F ONVOY, LLC - ME 120   2021-10-12   
207-531 4 Lewiston ME   382D LEVEL 3 COMMUNICATIONS, LLC - ME 120   2020-08-22   
207-531 5 Lewiston ME   454F ONVOY, LLC - ME 120   2020-07-07   
207-531 6 Lewiston ME   454F ONVOY, LLC - ME 120   2020-10-18   
207-531 7 Lewiston ME   6889 OMNIPOINT MIAMI E LICENSE, LLC 120   2022-10-23   
207-531 8 Lewiston ME   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 120   2020-11-18   
207-531 9 Lewiston ME   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 120   2020-11-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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