zip4lookup

ZIP Code 22027 — Dunn Loring, VA

22027 is a standard (street delivery) ZIP code serving Dunn Loring, Virginia, in Fairfax County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.

Free. No account needed.

ZIP code 22027 at a glance

ZIP code22027
Primary cityDunn Loring
StateVirginia (VA)
CountyFairfax FIPS 51059
ZIP typeStandard (street delivery)
Time zoneAmerica/New_York
Population1,939
Coordinates38.894110, -77.221590

How ZIP+4 works in 22027

The four digits after the hyphen encode a delivery segment inside 22027. In practice one segment usually means:

That is why 22027 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.

Nearby ZIP codes

Showing the closest twelve. See every ZIP code within 25 miles of 22027.

ZIPCityDistance
22043 Falls Church, VA 1.4 mi
22180 Vienna, VA 1.8 mi
22046 Falls Church, VA 2.3 mi
22042 Falls Church, VA 2.5 mi
22213 Arlington, VA 3.2 mi
22031 Fairfax, VA 3.2 mi
22182 Vienna, VA 4 mi
22181 Vienna, VA 4 mi
22102 Mclean, VA 4 mi
22044 Falls Church, VA 4.2 mi
22101 Mclean, VA 4.3 mi
22003 Annandale, VA 4.4 mi

Questions about 22027

What is the ZIP+4 code for 22027?

22027 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 22027, you need to look up a specific street address to get them.

What city is 22027?

22027 is assigned to Dunn Loring, Virginia, in Fairfax County.

Do I need to use the ZIP+4?

It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.

Need thousands of these?

Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.

Bulk lookup API docs