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: WLMGDE014MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
302-419 A New Castle DE 7421 AT&T - LOCAL 228      
302-419 2 New Castle DE 7421 AT&T - LOCAL 228      
302-419 9 New Castle DE 7421 AT&T - LOCAL 228      
302-442 A Wilmington DE 7421 AT&T - LOCAL 228      
302-442 9 Wilmington DE 7421 AT&T - LOCAL 228      
302-450 A Dover DE 7421 AT&T - LOCAL 228      
302-450 9 Dover DE 7421 AT&T - LOCAL 228      
302-669 2 New Castle DE 7421 AT&T - LOCAL 228   2009-08-20   
302-781 A Newark DE 7421 AT&T - LOCAL 228      
302-781 1 Newark DE 7421 AT&T - LOCAL 228      
302-800 5 New Castle DE 7421 AT&T - LOCAL 228   2015-09-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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