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: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-991 A Lindenhurst NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-991 0 Lindenhurst NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-991 1 Lindenhurst NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-991 2 Lindenhurst NY NYCMNY83D1S  282E YMAX COMMUNICATIONS CORP. - NY 132      
631-991 3 Lindenhurst NY HCVLNYAHDS1  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-991 4 Lindenhurst NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-991 5 Lindenhurst NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-991 6 Lindenhurst NY BTHPNYGRDS0  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-991 7 Lindenhurst NY BTHPNYGRDS0  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-991 8 Lindenhurst NY BTHPNYGRDS0  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-991 9 Lindenhurst NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.