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: SYVLNYSARP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
631-218 A Sayville NY 9104 VERIZON NEW YORK, INC. 132      
631-244 A Sayville NY 9104 VERIZON NEW YORK, INC. 132      
631-319 A Sayville NY 9104 VERIZON NEW YORK, INC. 132      
631-319 2 Sayville NY 9104 VERIZON NEW YORK, INC. 132   2006-04-03   
631-419 A Bayport NY 9104 VERIZON NEW YORK, INC. 132      
631-419 0 Bayport NY 9104 VERIZON NEW YORK, INC. 132      
631-419 1 Bayport NY 9104 VERIZON NEW YORK, INC. 132      
631-472 A Bayport NY 9104 VERIZON NEW YORK, INC. 132      
631-563 A Sayville NY 9104 VERIZON NEW YORK, INC. 132      
631-567 A Sayville NY 9104 VERIZON NEW YORK, INC. 132      
631-589 A Sayville NY 9104 VERIZON NEW YORK, INC. 132      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.