Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Otis, ME

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
207-537 A OTISMEXARS1  0027 UNION RIVER TEL. CO. 120      
207-537 2   0027 UNION RIVER TEL. CO. 120      
207-537 3   0027 UNION RIVER TEL. CO. 120      
207-537 5   0027 UNION RIVER TEL. CO. 120      

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

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