Delaware area codes
- Area code in
- 1
- State
- Delaware
- Delaware is served by a single area code, 302, in service since 1947.
- Updated 8 October 2026
Now in Delaware
Eastern Time · UTC−5, UTC−4 in summer
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Eastern Time
Typical business hours, 9 to 5 Monday to Friday.
Typical business hours, 9 to 5 Monday to Friday, shown as the blue arc. A guide to when a real Delaware office is likely to answer. It says nothing about who called you.
01
The Delaware area code
Delaware uses a single area code, 302, and has done since 1947. Every Delaware number starts with it.
02
Spam call reports in Delaware
These Delaware area codes drew the most reports to the FTC in the 30 days to 8 October 2026. The figures describe numbers displaying each code, which caller ID spoofing can fake.
Most reported Delaware area codes · last 30 days
| # | Code | Primary city | Reports (30 days) |
|---|---|---|---|
| 1 | 302 | Wilmington | 575 |
A number listed here may itself be a spoofing victim rather than the caller. These are unverified consumer reports.
Source: FTC Do Not Call Reported Calls Data, unverified consumer reports, retrieved 8 October 2026. Request a correction. Month-over-month figures appear once two complete 30-day windows exist.
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03
Questions
How many area codes does Delaware have?
Delaware has 1 area code: 302.
What is the main area code for Wilmington?
The main area code for Wilmington is 302.
Which Delaware area code is oldest?
Area code 302 is the oldest in Delaware, in service since 1947.
Do I need to dial ten digits in Delaware?
Not necessarily. Delaware has no overlay codes, so seven-digit local dialling may still work in parts of the state.
Which Delaware area code gets the most spam calls?
Area code 302 (Wilmington) drew the most reports of any Delaware code in the 30 days to 8 October 2026, with 575 numbers reported.
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