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: ATTCNYATRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-591 A Attica NY 9104 VERIZON NEW YORK, INC. 140      
585-591 0 Attica NY 9104 VERIZON NEW YORK, INC. 140      
585-591 1 Attica NY 9104 VERIZON NEW YORK, INC. 140      
585-591 2 Attica NY 9104 VERIZON NEW YORK, INC. 140      
585-591 3 Attica NY 9104 VERIZON NEW YORK, INC. 140      
585-591 4 Attica NY 9104 VERIZON NEW YORK, INC. 140      
585-591 9 Attica NY 9104 VERIZON NEW YORK, INC. 140      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.