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.
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Switch: DOVRDEDVDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
302-310 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-672 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-674 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-677 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-678 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-730 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-734 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-735 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-736 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-739 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-741 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-744 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-760 A Dover DE 9210 VERIZON DELAWARE, INC. 228      
302-857 A Dover DE 9210 VERIZON DELAWARE, INC. 228      

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

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