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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
631-639 A Brentwood NY HNTNNYSUDS2  7140 TC SYSTEMS,INC. - NY 132     map
631-639 0 Brentwood NY   5562 METRO PCS, INC. 132 2010-06-18     
631-639 1 Brentwood NY   5562 METRO PCS, INC. 132 2010-06-18     
631-639 2 Brentwood NY   7140 TC SYSTEMS,INC. - NY 132 2009-02-27     
631-639 3 Brentwood NY   7140 TC SYSTEMS,INC. - NY 132 2009-09-14     
631-639 4 Brentwood NY   5562 METRO PCS, INC. 132 2010-06-18     
631-639 5 Brentwood NY   5562 METRO PCS, INC. 132 2010-06-26     
631-639 6 Brentwood NY   5562 METRO PCS, INC. 132 2010-06-26     
631-639 7 Brentwood NY   5562 METRO PCS, INC. 132 2010-06-26     
631-639 8 Brentwood NY   5562 METRO PCS, INC. 132 2010-02-26     
631-639 9 Brentwood NY   5562 METRO PCS, INC. 132 2010-02-26     

Last updated: Sat, 09 Jun 2018 13:21:19 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.