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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-400 A New Castle DE   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
302-400 0 New Castle DE   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
302-400 1 New Castle DE   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
302-400 2 New Castle DE   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
302-400 3 New Castle DE   969E ONVOY, LLC - DE 228      
302-400 4 New Castle DE   969E ONVOY, LLC - DE 228      
302-400 5 New Castle DE   969E ONVOY, LLC - DE 228      
302-400 6 New Castle DE PHLAPAFGD4S  349F PEERLESS NETWORK OF DELAWARE, LLC - DE 228      
302-400 7 New Castle DE PHLAPAMK20Z  073F BANDWIDTH.COM CLEC, LLC - DE 228      
302-400 8 New Castle DE PHLAPAFGXCX  073H TELNYX LLC 228      
302-400 9 New Castle DE PHLAPAFGD4S  349F PEERLESS NETWORK OF DELAWARE, LLC - DE 228      

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.