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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 831

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-831 A Windsor Locks CT   829J PAETEC ITEL, LLC 920      
860-831 0 Windsor Locks CT   829J PAETEC ITEL, LLC 920      
860-831 1 Windsor Locks CT   829J PAETEC ITEL, LLC 920      
860-831 2 Windsor Locks CT   829J PAETEC ITEL, LLC 920      
860-831 3 Windsor Locks CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-06   
860-831 4 Windsor Locks CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-06   
860-831 6 Windsor Locks CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-06   
860-831 7 Windsor Locks CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-06   
860-831 8 Windsor Locks CT   829J PAETEC ITEL, LLC 920      
860-831 9 Windsor Locks CT   829J PAETEC ITEL, LLC 920      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.