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: 934 [Rate centres in NPA 934] [Dial plan for NPA 934]

NXX: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
934-274 A Riverhead NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-09-18   
934-274 4 Riverhead NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-09-18   
934-274 5 Riverhead NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-09-18   
934-274 6 Riverhead NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-09-18   
934-274 7 Riverhead NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-09-18   
934-274 8 Riverhead NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-09-18   
934-274 9 Riverhead NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-09-18   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.