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: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-553 A Storrs CT   829J PAETEC ITEL, LLC 920      
860-553 0 Storrs CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
860-553 1 Storrs CT   5562 METROPCS, INC. 920   2020-08-16   
860-553 2 Storrs CT   5562 METROPCS, INC. 920   2020-06-11   
860-553 3 Storrs CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-553 4 Storrs CT   5562 METROPCS, INC. 920   2018-10-08   
860-553 5 Storrs CT   5562 METROPCS, INC. 920   2018-10-08   
860-553 6 Storrs CT   829J PAETEC ITEL, LLC 920      
860-553 7 Storrs CT   5562 METROPCS, INC. 920   2019-07-22   
860-553 8 Storrs CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
860-553 9 Storrs CT   639C ONVOY, LLC - CT 920   2019-04-22   

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

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