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.

Holly Oak, DE

<< 1 2 3

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
302-826 3   1991 CORETEL DELAWARE, INC. - DE 228      
302-826 4   1991 CORETEL DELAWARE, INC. - DE 228      
302-826 7   1991 CORETEL DELAWARE, INC. - DE 228      
302-826 8   1991 CORETEL DELAWARE, INC. - DE 228      
302-826 9 PHLAPAAZDSA  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      

<< 1 2 3

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.