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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
934-230 A Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132      
934-230 0 Riverhead NY SYOSNYGNCM1  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2022-06-07   
934-230 1 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2023-01-31   
934-230 2 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2023-01-31   
934-230 3 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2023-01-31   
934-230 4 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2023-01-31   
934-230 5 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2023-06-01   
934-230 6 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2023-06-01   
934-230 7 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2022-06-05   
934-230 8 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2022-06-05   
934-230 9 Riverhead NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2022-06-05   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.