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.

NPA: 302 [Rate centres in NPA 302] [Dial plan for NPA 302]

NXX: 266

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-266 A Newark DE NWRKDENBRP2  9210 VERIZON DELAWARE, INC. 228      
302-266 0 Newark DE   9210 VERIZON DELAWARE, INC. 228      
302-266 1 Newark DE   073F BANDWIDTH.COM CLEC, LLC - DE 228   2013-06-23   
302-266 2 Newark DE   4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228   2013-05-31   
302-266 3 Newark DE   9210 VERIZON DELAWARE, INC. 228      
302-266 4 Newark DE   318J COMCAST IP PHONE, LLC 228   2013-08-27   
302-266 5 Newark DE   9210 VERIZON DELAWARE, INC. 228      
302-266 6 Newark DE   9210 VERIZON DELAWARE, INC. 228      
302-266 7 Newark DE   9210 VERIZON DELAWARE, INC. 228      
302-266 8 Newark DE   9210 VERIZON DELAWARE, INC. 228      
302-266 9 Newark DE   9210 VERIZON DELAWARE, INC. 228      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.