Delaware area codes
Delaware has 1 area code: 302.
Area codes by city in Delaware
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.
Delaware has 1 area code: 302.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.