Delaware area codes
Delaware has used a single area code, 302, since 1947. Every Delaware number starts with it, so the code tells you the state and nothing more specific.
Updated 28 July 2026
The Delaware area code
Delaware uses a single area code, 302, and has done since 1947. Every Delaware number starts with it.
Delaware area code map
Delaware sits in the Eastern Time zone.
Spam call reports in Delaware
These Delaware area codes drew the most reports to the FTC in the 30 days to 28 July 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 |
|---|---|---|
| 302 | Wilmington | 905 |
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 28 July 2026. Request a correction.
Calls from your Delaware numbers not landing?
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 28 July 2026, with 905 numbers reported.
Neighbouring states