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: 605

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-605 A Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132      
631-605 0 Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2009-07-04   
631-605 1 Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2009-07-04   
631-605 2 Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2009-08-18   
631-605 3 Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2009-08-28   
631-605 4 Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2009-10-16   
631-605 5 Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2009-10-16   
631-605 6 Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2009-07-05   
631-605 7 Patchogue NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-08-06   
631-605 8 Patchogue NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2009-10-05   
631-605 9 Patchogue NY GCPKNYAIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2009-10-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.