Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Holly Oak, DE

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
302-826 1   1991 CORETEL DELAWARE, INC. - DE 228   2018-10-19   
302-826 2   1991 CORETEL DELAWARE, INC. - DE 228   2019-04-15   
302-826 3   1991 CORETEL DELAWARE, INC. - DE 228   2019-04-15   
302-826 4   1991 CORETEL DELAWARE, INC. - DE 228   2019-04-15   
302-826 7   1991 CORETEL DELAWARE, INC. - DE 228   2019-04-15   
302-826 8   1991 CORETEL DELAWARE, INC. - DE 228   2019-04-15   
302-826 9   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      

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

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