Area Codes in Delaware
Explore area codes connected to ZIP codes in Delaware. Use this page to move between area code lookup, ZIP code coverage, and state-level browsing.
State
Delaware
DE
ZIP codes
96
Population
908,446
About area codes in Delaware
Area codes in Delaware connect phone numbering geography with ZIP code regions, cities, and local coverage. Use the cards above to open each area code page, then continue to the related ZIP code pages for deeper postal lookup.