Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 274 [Rate centres in NPA 274] [Dial plan for NPA 274]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
274-777 A Rosendale WI   225C ONVOY, LLC - WI 356   2025-10-18   
274-777 0 Rosendale WI   145J TERRA NOVA TELECOM INC. 356   2025-10-20   
274-777 7 Rosendale WI   225C ONVOY, LLC - WI 356   2025-10-18   
274-777 8 Rosendale WI   225C ONVOY, LLC - WI 356   2025-10-18   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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