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.

Switch: NYCMNYBXDS0

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
914-301 0 Katonah NY 7140 TC SYSTEMS, INC. - NY 132      
914-304 A Westchester Zone 8 NY 7140 TC SYSTEMS, INC. - NY 132      
914-304 1 Westchester Zone 8 NY 7140 TC SYSTEMS, INC. - NY 132      
914-304 4 Westchester Zone 8 NY 7140 TC SYSTEMS, INC. - NY 132      
914-304 9 Westchester Zone 8 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 A New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 1 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 2 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 3 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 4 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 5 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 6 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 7 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-344 8 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-421 A New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-421 1 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-421 3 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-421 4 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-421 5 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-421 7 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-421 8 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-639 A New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-639 0 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-639 1 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-639 2 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-639 4 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      
917-639 9 New York City Zone 01 NY 7140 TC SYSTEMS, INC. - NY 132      

<< 1 2

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.