703 Area Code — Virginia
703 is a North American Numbering Plan area code for Virginia, the United States. It covers about 2,137,076 people in 43 towns and 157 ZIP codes, including Alexandria, Arlington and Fairfax.
| Field | Value |
|---|---|
| Area code | 703 |
| Country | United States (+1) |
| State / province | Virginia |
| Type | Shares its towns with 571 |
| Time zone | Eastern |
| Population covered | 2,137,076 |
| Towns covered | 43 |
| ZIP codes | 157 |
| Approx. centre | 38.861, -77.272 |
Where area code 703 is used
Area code 703 is assigned to Virginia, the United States, inside the North American Numbering Plan. Numbers in the code are written (703) NXX-XXXX at home and +1 703 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Other area codes in this footprint: 571. They serve towns in the same territory, so a single street can contain numbers from more than one code. That is normal in the NANP and does not change how you dial.
Towns and cities in area code 703
The 43 towns below are the largest in the 703 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| Alexandria | Alexandria city | 345,048 | 21 |
| Arlington | Arlington County | 235,798 | 27 |
| Fairfax | Fairfax County | 167,374 | 9 |
| Manassas | Prince William County | 163,958 | 6 |
| Falls Church | Fairfax County | 122,581 | 6 |
| Springfield | Fairfax County | 106,450 | 9 |
| Herndon | Fairfax County | 95,152 | 5 |
| Sterling | Loudoun County | 92,473 | 5 |
| Leesburg | Loudoun County | 86,204 | 4 |
| Centreville | Fairfax County | 70,684 | 3 |
| Vienna | Fairfax County | 70,111 | 5 |
| Reston | Fairfax County | 65,298 | 6 |
Counties covered
| County | ZIP codes |
|---|---|
| Fairfax County | 75 |
| Arlington County | 28 |
| Loudoun County | 20 |
| Prince William County | 15 |
| Alexandria city | 13 |
| Manassas city | 2 |
| Falls Church city | 2 |
| Manassas Park city | 1 |
| Fairfax city | 1 |
Other area codes serving the same towns
Nearby area codes
How to dial area code 703
- Within North America: 703 + 7-digit number (703-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 703, then the 7-digit number — for example 00 1 703 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 703?
703 is a North American Numbering Plan area code assigned to Virginia, the United States. It covers about 2,137,076 people in 43 towns.
Is 703 a US or Canadian area code?
703 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 703 in?
Area code 703 is in the Eastern time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.