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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-504 A Wilmington DE PHLAPAMK38Z  829J PAETEC ITEL, LLC 228   2025-03-11   
302-504 0 Wilmington DE PHLAPAMK38Z  829J PAETEC ITEL, LLC 228      
302-504 1 Wilmington DE PHLAPAMK38Z  829J PAETEC ITEL, LLC 228      
302-504 2 Wilmington DE PHLAPAMK38Z  829J PAETEC ITEL, LLC 228      
302-504 3 Wilmington DE PHLAPAMK38Z  829J PAETEC ITEL, LLC 228      
302-504 4 Wilmington DE PHLAPAFGD0S  4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228   2007-06-19   
302-504 5 Wilmington DE PHLAPAMK41Z  829J PAETEC ITEL, LLC 228   2009-10-26   
302-504 6 Wilmington DE PHLAPAFGD0S  4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228   2013-05-11   
302-504 7 Wilmington DE PHLAPAMK38Z  829J PAETEC ITEL, LLC 228      
302-504 8 Wilmington DE PHLAPAFGD0S  4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228   2007-08-21   
302-504 9 Wilmington DE PHLAPAMK38Z  829J PAETEC ITEL, LLC 228      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.