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: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-240 A Greenwich CT WHPLNY02DS5  7140 TC SYSTEMS, INC. - NY 132      
475-240 0 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 1 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 2 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 3 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 4 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 5 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 6 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 7 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 8 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      
475-240 9 Greenwich CT   7140 TC SYSTEMS, INC. - NY 132      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.