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: BLISRIOTRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
401-466 A Block Island RI 9102 VERIZON NEW ENGLAND INC. 130      
401-466 2 Block Island RI 9102 VERIZON NEW ENGLAND INC. 130      
401-466 3 Block Island RI 9102 VERIZON NEW ENGLAND INC. 130      
401-466 5 Block Island RI 9102 VERIZON NEW ENGLAND INC. 130      
401-466 8 Block Island RI 9102 VERIZON NEW ENGLAND INC. 130      
401-466 9 Block Island RI 9102 VERIZON NEW ENGLAND INC. 130      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.