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: 844

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-844 A Farmingdale NY FRDLNYFMDS0  9104 VERIZON NEW YORK INC. 132      
631-844 0 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-844 1 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-844 2 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-844 3 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-844 4 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-844 5 Farmingdale NY   7126 CABLEVISION LIGHTPATH, INC. - NY 132   2015-01-30   
631-844 6 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-844 7 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-844 8 Farmingdale NY   145J TERRA NOVA TELECOM INC. 132   2020-12-28   
631-844 9 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.