Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 607 [Rate centres in NPA 607] [Dial plan for NPA 607]

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
607-521 A Cooperstown NY BNGHNYHYXFZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 138   2026-08-18   
607-521 8 Cooperstown NY BNGHNYHYXFZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 138   2026-08-18   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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