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: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-371 A Stony Brook NY   5562 METROPCS, INC. 132      
631-371 0 Stony Brook NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2021-05-27   
631-371 1 Stony Brook NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-371 2 Stony Brook NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-08-13   
631-371 3 Stony Brook NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-03-06   
631-371 4 Stony Brook NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-10-21   
631-371 5 Stony Brook NY   515J IP HORIZON LLC 132   2009-10-05   
631-371 6 Stony Brook NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-371 7 Stony Brook NY   5562 METROPCS, INC. 132      
631-371 8 Stony Brook NY NYCMNY371MD  4152 PAETEC COMMUNICATIONS, INC. - NY 132   2010-02-11   
631-371 9 Stony Brook NY   5562 METROPCS, INC. 132      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.