Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 959 [Rate centres in NPA 959] [Dial plan for NPA 959]

NXX: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-280 A Hartford CT   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 920   2026-03-24   
959-280 7 Hartford CT   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 920   2026-03-24   
959-280 8 Hartford CT   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 920   2026-03-24   

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

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