Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Cambridge, ID

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
208-257 A CMBRIDXCDS1  2215 CAMBRIDGE TELEPHONE COMPANY 652      
986-250 A CMBRIDXCDS1  2215 CAMBRIDGE TELEPHONE COMPANY 652      
986-250 0   145J TERRA NOVA TELECOM INC. 652   2025-05-21   
986-250 7 CMBRIDXCDS1  2215 CAMBRIDGE TELEPHONE COMPANY 652   2021-11-08   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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