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: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

NXX: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-997 A Selden NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132      
631-997 0 Selden NY   384C ONVOY, LLC- NY 132   2016-02-26   
631-997 1 Selden NY   384C ONVOY, LLC- NY 132   2016-02-26   
631-997 2 Selden NY   5562 METROPCS, INC. 132   2016-07-13   
631-997 3 Selden NY   5562 METROPCS, INC. 132   2016-07-13   
631-997 4 Selden NY   073H TELNYX LLC 132   2017-04-21   
631-997 5 Selden NY   145J TERRA NOVA TELECOM INC. 132   2022-08-31   
631-997 6 Selden NY   5562 METROPCS, INC. 132   2018-05-03   
631-997 7 Selden NY   384C ONVOY, LLC- NY 132   2018-04-01   
631-997 8 Selden NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2014-09-12   
631-997 9 Selden NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2014-09-12   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.