How many area codes does District of Columbia have?

District of Columbia has 2 active geographic area codes in the North American Numbering Plan: 202, 771. Each code serves a distinct region or acts as an overlay for a high-demand metro area.

What is the oldest area code in District of Columbia?

The oldest area code in District of Columbia is 202, assigned in 1947. It serves Washington and the Washington D.C. region. 202 is one of the original 86 area codes created when the North American Numbering Plan was first established.

Can I get a District of Columbia phone number from anywhere?

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

How much does a District of Columbia area code number cost?

DialPhone plans start at $24 per user per month on the Core plan. Every plan includes your choice of District of Columbia 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 District of Columbia number to DialPhone?

Yes. DialPhone supports free number porting from any major US or Canadian carrier, including existing District of Columbia 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 District of Columbia?

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

Area Codes in District of Columbia — Local Business Phone Numbers

Quick answer

District of Columbia has 2 active geographic area codes covering Washington. The most-recognized codes are 202, 771, serving Washington and the Washington D.C. region.

Total codes: 2
Top metro: Washington
Time zone: ET
Largest code: 202 (Washington)

By Darshan M

Growth Operations Lead at DialPhone · Verified against NANPA data

Area codes in District of Columbia

District of Columbia is served by 2 active geographic area codes in the North American Numbering Plan. These codes were assigned between 1947 and 2021 as population and call demand grew across the federal district.

Code	Primary City	Region	Established	Overlay Codes	Population
202	Washington	Washington D.C.	1947	771	700,000
771	Washington	Washington D.C.	2021	202	700,000

Time zones in District of Columbia

All area codes in District of Columbia fall in the ET time zone.

ET — area codes: 202, 771

Top metros and their area codes

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

Washington — 202 , 771

Why get a local District of Columbia number?

A District of Columbia area code number gives your business three core advantages:

Local trust signal. Customers in District of Columbia 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 District of Columbia 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 District of Columbia area code number with DialPhone

Setting up a District of Columbia 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 District of Columbia numbers. Filter the DialPhone number inventory by state, area code, city, or number pattern.
Choose your number and configure. Assign your new District of Columbia number to a user or team, configure call routing, voicemail, AI receptionist, and business SMS.
Port your existing number (optional). Already have a District of Columbia number? Free number porting completes in 2 to 5 business days with zero service interruption.