Local Calling Guide

Area code/prefix search

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NPA: 860 [Rate centres in NPA 860] [Dial plan for NPA 860]

NXX: 843

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-843 A Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 0 Simsbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-01   
860-843 1 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 2 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 3 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 4 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 5 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 6 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 7 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 8 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-843 9 Simsbury CT SMBYCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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