How many area codes does Delaware have?

Delaware has 1 active geographic area code in the North American Numbering Plan: 302. Each code serves a distinct region or acts as an overlay for a high-demand metro area.

What is the oldest area code in Delaware?

The oldest area code in Delaware is 302, assigned in 1947. It serves Wilmington and the Delaware (statewide) region. 302 is one of the original 86 area codes created when the North American Numbering Plan was first established.

Can I get a Delaware phone number from anywhere?

Yes. DialPhone virtual phone numbers are not tied to a physical location. You can get a Delaware area code number and use it from any device — desktop, mobile, or browser — anywhere with an internet connection. This makes Delaware numbers ideal for remote teams, distributed businesses, and sales teams targeting Delaware customers.

How much does a Delaware area code number cost?

DialPhone plans start at $24 per user per month on the Core plan. Every plan includes your choice of Delaware area code number, unlimited US and Canada calling, business SMS, AI call captions, and a free 14-day trial — no credit card required. See the DialPhone pricing page for current tier details.

Can I port my existing Delaware number to DialPhone?

Yes. DialPhone supports free number porting from any major US or Canadian carrier, including existing Delaware area code numbers. Porting typically completes in 2 to 5 business days with zero service interruption. See the complete number porting guide for step-by-step instructions.

What time zones are used in Delaware?

Delaware area codes span the ET time zone. When scheduling calls with Delaware customers, verify the specific area code's time zone to avoid calling outside business hours.

Area Codes in Delaware — Local Business Phone Numbers

Quick answer

Delaware has 1 active geographic area code covering Wilmington. The most-recognized code is 302, serving Wilmington and the Delaware (statewide) region.

Total codes: 1
Top metro: Wilmington
Time zone: ET
Largest code: 302 (Wilmington)

By Darshan M

Growth Operations Lead at DialPhone · Verified against NANPA data

Area codes in Delaware

Delaware is served by 1 active geographic area code in the North American Numbering Plan. The 302 area code covers the entire Delaware (statewide) region.

Code	Primary City	Region	Established	Overlay Codes	Population
302	Wilmington	Delaware (statewide)	1947	—	1,000,000

Time zones in Delaware

All area codes in Delaware fall in the ET time zone.

ET — area code: 302

Top metros and their area codes

Below are the primary cities in Delaware and the area codes that serve each metro. Cities with multiple codes share geography due to overlay assignments added as demand grew.

Wilmington — 302

Why get a local Delaware number?

A Delaware area code number gives your business three core advantages:

Local trust signal. Customers in Delaware recognize local area codes as their own. A familiar caller ID builds immediate credibility for service businesses, sales teams, and patient communication.
Higher answer rate. Calls from a local area code are answered far more often than toll-free or out-of-area numbers — industry data puts the lift at 20–40%. That difference matters most for outbound sales, appointment confirmations, and service callbacks.
Targeted marketing. Advertising a local Delaware number on print, radio, digital, and outdoor channels converts better than a national 800 number for audiences who prefer doing business locally.

How to get a Delaware area code number with DialPhone

Setting up a Delaware business number takes under 10 minutes:

Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
Search available Delaware numbers. Filter the DialPhone number inventory by state, area code, city, or number pattern.
Choose your number and configure. Assign your new Delaware number to a user or team, configure call routing, voicemail, AI receptionist, and business SMS.
Port your existing number (optional). Already have a Delaware number? Free number porting completes in 2 to 5 business days with zero service interruption.