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: HNTNNYSUDS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
516-247 A Nassau Zone 5 NY 7140 TC SYSTEMS, INC. - NY 132      
516-734 A Nassau Zone 1 NY 7140 TC SYSTEMS, INC. - NY 132      
516-881 A Nassau Zone 3 NY 7140 TC SYSTEMS, INC. - NY 132      
516-953 A Nassau Zone 4 NY 7140 TC SYSTEMS, INC. - NY 132      
631-213 A Midland NY 7140 TC SYSTEMS, INC. - NY 132      
631-239 A Northport NY 7140 TC SYSTEMS, INC. - NY 132      
631-247 A Farmingdale NY 7140 TC SYSTEMS, INC. - NY 132      
631-256 A Sayville NY 7140 TC SYSTEMS, INC. - NY 132      
631-312 A Patchogue NY 7140 TC SYSTEMS, INC. - NY 132      
631-380 A Stony Brook NY 7140 TC SYSTEMS, INC. - NY 132      
631-387 A Commack NY 7140 TC SYSTEMS, INC. - NY 132      
631-457 A Brentwood NY 7140 TC SYSTEMS, INC. - NY 132      
631-503 A Center Moriches NY 7140 TC SYSTEMS, INC. - NY 132      
631-561 A Selden NY 7140 TC SYSTEMS, INC. - NY 132      
631-619 A Ronkonkoma NY 7140 TC SYSTEMS, INC. - NY 132      
631-623 A West Commack NY 7140 TC SYSTEMS, INC. - NY 132      
631-639 A Brentwood NY 7140 TC SYSTEMS, INC. - NY 132      
631-693 A Amityville NY 7140 TC SYSTEMS, INC. - NY 132      
631-729 A Atlantic NY 7140 TC SYSTEMS, INC. - NY 132      
631-760 A Huntington NY 7140 TC SYSTEMS, INC. - NY 132      
631-787 A Central Islip NY 7140 TC SYSTEMS, INC. - NY 132      
631-792 A Babylon NY 7140 TC SYSTEMS, INC. - NY 132      
631-823 A Bayport NY 7140 TC SYSTEMS, INC. - NY 132      
631-866 A Bellport NY 7140 TC SYSTEMS, INC. - NY 132      
631-894 A Bay Shore NY 7140 TC SYSTEMS, INC. - NY 132      
631-918 A Deer Park NY 7140 TC SYSTEMS, INC. - NY 132      
631-960 A Islip NY 7140 TC SYSTEMS, INC. - NY 132      
631-973 A Kings Park NY 7140 TC SYSTEMS, INC. - NY 132      
631-991 A Lindenhurst NY 7140 TC SYSTEMS, INC. - NY 132      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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