Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 302 [Rate centres in NPA 302] [Dial plan for NPA 302]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-421 A Wilmington DE WLMGDEWLDS0  9210 VERIZON DELAWARE, INC. 228      
302-421 0 Wilmington DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-09-02   
302-421 1 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      
302-421 2 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      
302-421 3 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      
302-421 4 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      
302-421 5 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      
302-421 6 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      
302-421 7 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      
302-421 8 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      
302-421 9 Wilmington DE   9210 VERIZON DELAWARE, INC. 228      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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