Area codes in Dover, Delaware
Dover, Delaware uses area code 302. The main Dover area code is 302.
Area codes serving Dover
Phone numbers in Dover are written as ten digits — for example (302) 555-0190 — and fall in the Eastern Time zone.
All Delaware area codes · Is a Dover call a scam?
Nearby cities
- Philadelphia area codes
- Annapolis area codes
- West Chester area codes
- Camden area codes
- Baltimore area codes
- Cherry Hill area codes
- Atlantic City area codes
- Silver Spring area codes
Frequently asked questions
What is the area code for Dover?
The main area code for Dover, Delaware is 302.
How many area codes does Dover have?
Dover has 1 area code: 302.
How do you dial a Dover number?
Dial all 10 digits — the area code (302) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.