Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 860 [Rate centres in NPA 860] [Dial plan for NPA 860]

NXX: 413

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-413 A Simsbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-413 0 Simsbury CT   639C ONVOY, LLC - CT 920   2019-02-26   
860-413 1 Simsbury CT   639C ONVOY, LLC - CT 920   2019-02-26   
860-413 2 Simsbury CT   318J COMCAST IP PHONE, LLC 920   2007-02-01   
860-413 3 Simsbury CT   318J COMCAST IP PHONE, LLC 920   2006-11-03   
860-413 4 Simsbury CT   866H BARR TEL USA, INC. - CT 920   2022-03-14   
860-413 5 Simsbury CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2005-10-13   
860-413 6 Simsbury CT   624H ONVOY SPECTRUM, LLC 920   2021-12-06   
860-413 7 Simsbury CT   624H ONVOY SPECTRUM, LLC 920   2021-12-06   
860-413 8 Simsbury CT   318J COMCAST IP PHONE, LLC 920   2018-03-13   
860-413 9 Simsbury CT   318J COMCAST IP PHONE, LLC 920      

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

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