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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-345 A Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK INC. 132      
631-345 0 Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK INC. 132      
631-345 1 Yaphank NY NYCMNYZRX1X  145J TERRA NOVA TELECOM INC. 132   2020-12-28   
631-345 2 Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK INC. 132      
631-345 3 Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK INC. 132      
631-345 4 Yaphank NY   1215 CORETEL NEW YORK, INC. - NY 132   2019-04-02   
631-345 5 Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK INC. 132      
631-345 6 Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK INC. 132      
631-345 7 Yaphank NY   566J RADIANTIQ LLC 132   2021-02-19   
631-345 8 Yaphank NY NYCMNYBXDSL  384C ONVOY, LLC NY 132   2019-04-29   
631-345 9 Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK INC. 132      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.