Fairfax County, Virginia ZIP codes
76 ZIP codes are in Fairfax County, plus 6 that cross in from neighboring counties. It's part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area.
- ZIP codes
- 76
- Population in these ZIPs
- 1,173,352
- Avg. median income
- $156,200population-weighted
- Cities & towns
- 24
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Fairfax County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 20120 | Centreville | 42,896 | $152,563 | $686,700 |
| 20121 | Centreville | 27,788 | $129,947 | $555,200 |
| 20122 PO Box | Centreville | — | — | — |
| 20124 | Clifton | 14,375 | $221,060 | $996,900 |
| 20151 | Chantilly | 22,610 | $158,271 | $747,300 |
| 20153 PO Box | Chantilly | — | — | — |
| 20170 | Herndon | 43,866 | $159,466 | $687,900 |
| 20171 | Herndon | 51,286 | $171,372 | $799,100 |
| 20172 PO Box | Herndon | — | — | — |
| 20190 | Reston | 22,012 | $134,746 | $546,000 |
| 20191 | Reston | 31,011 | $151,185 | $610,100 |
| 20192 PO Box | Herndon | — | — | — |
| 20194 | Reston | 12,275 | $170,988 | $757,000 |
| 20195 PO Box | Reston | — | — | — |
| 20196 PO Box | Reston | — | — | — |
| 22003 | Annandale | 57,755 | $138,794 | $743,900 |
| 22009 PO Box | Burke | — | — | — |
| 22015 | Burke | 44,647 | $172,563 | $716,500 |
| 22027 | Dunn Loring | 1,939 | $250,001 | $1,299,100 |
| 22030 | Fairfax | 61,332 | $139,831 | $802,300 |
| 22031 | Fairfax | 37,276 | $134,577 | $753,800 |
| 22032 | Fairfax | 29,240 | $178,394 | $839,300 |
| 22033 | Fairfax | 39,526 | $143,454 | $695,400 |
| 22034 PO Box | Fairfax | — | — | — |
| 22035 | Fairfax | 0 | — | — |
| 22036 PO Box | Fairfax | — | — | — |
| 22037 PO Box | Fairfax | — | — | — |
| 22039 | Fairfax Station | 19,626 | $250,001 | $1,165,700 |
| 22041 | Falls Church | 29,183 | $92,636 | $428,000 |
| 22042 | Falls Church | 35,483 | $138,255 | $728,500 |
| 22043 | Falls Church | 25,750 | $145,881 | $917,300 |
| 22044 | Falls Church | 13,996 | $101,034 | $570,400 |
| 22060 | Fort Belvoir | 10,641 | $105,605 | $791,100 |
| 22066 | Great Falls | 17,185 | $250,001 | $1,674,500 |
| 22067 PO Box | Greenway | — | — | — |
| 22079 | Lorton | 35,284 | $148,134 | $672,000 |
| 22081 PO Box | Merrifield | — | — | — |
| 22082 PO Box | Merrifield | — | — | — |
| 22095 PO Box | Herndon | — | — | — |
| 22096 PO Box | Reston | — | — | — |
| 22101 | Mc Lean | 30,953 | $250,001 | $1,666,600 |
| 22102 | Mc Lean | 29,184 | $153,949 | $822,700 |
| 22103 PO Box | West Mclean | — | — | — |
| 22106 PO Box | Mc Lean | — | — | — |
| 22107 PO Box | Mc Lean | — | — | — |
| 22108 PO Box | Mc Lean | — | — | — |
| 22109 PO Box | Mc Lean | — | — | — |
| 22116 PO Box | Merrifield | — | — | — |
| 22118 PO Box | Merrifield | — | — | — |
| 22119 PO Box | Merrifield | — | — | — |
| 22121 PO Box | Mount Vernon | — | — | — |
| 22122 PO Box | Newington | — | — | — |
| 22124 | Oakton | 18,091 | $218,380 | $1,070,100 |
| 22150 | Springfield | 27,955 | $123,114 | $660,600 |
| 22151 | Springfield | 17,017 | $156,015 | $698,600 |
| 22152 | Springfield | 28,814 | $165,906 | $676,200 |
| 22153 | Springfield | 32,664 | $174,228 | $740,700 |
| 22156 PO Box | Springfield | — | — | — |
| 22158 PO Box | Springfield | — | — | — |
| 22159 PO Box | Springfield | — | — | — |
| 22160 PO Box | Springfield | — | — | — |
| 22161 PO Box | Springfield | — | — | — |
| 22180 | Vienna | 26,568 | $177,111 | $1,056,000 |
| 22181 | Vienna | 15,760 | $211,911 | $1,101,500 |
| 22182 | Vienna | 27,783 | $205,108 | $1,254,000 |
| 22183 PO Box | Vienna | — | — | — |
| 22185 PO Box | Vienna | — | — | — |
| 22199 PO Box | Lorton | — | — | — |
| 22303 | Alexandria | 16,922 | $103,656 | $545,600 |
| 22306 | Alexandria | 30,602 | $97,132 | $629,200 |
| 22307 | Alexandria | 10,343 | $141,667 | $735,400 |
| 22308 | Alexandria | 14,090 | $212,545 | $970,900 |
| 22309 | Alexandria | 34,316 | $107,376 | $579,800 |
| 22310 | Alexandria | 28,136 | $166,061 | $657,300 |
| 22312 | Alexandria | 26,768 | $109,272 | $620,500 |
| 22315 | Alexandria | 30,404 | $159,805 | $661,100 |
ZIP codes partly in Fairfax County
These ZIP codes are mostly in a neighboring county but cover part of Fairfax County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 22046 | Falls Church | Falls Church city | 18,169 | $168,882 | $1,051,800 |
| 22203 | Arlington | Arlington County | 26,594 | $140,135 | $642,100 |
| 22207 | Arlington | Arlington County | 35,479 | $245,745 | $1,365,100 |
| 22302 | Alexandria | Alexandria city | 18,026 | $123,539 | $422,500 |
| 22304 | Alexandria | Alexandria city | 48,613 | $101,600 | $440,900 |
| 22311 | Alexandria | Alexandria city | 19,337 | $87,626 | $691,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Fairfax County
Nearby counties
Frequently asked questions
How many ZIP codes are in Fairfax County, Virginia?
76 ZIP codes are mainly in Fairfax County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Fairfax County?
ZIP codes in Fairfax County use the city names Alexandria, Annandale, Burke, Centreville, Chantilly, Clifton, Dunn Loring, Fairfax, Fairfax Station, Falls Church, Fort Belvoir and Great Falls and others.
What metro area is Fairfax County in?
Fairfax County is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan statistical area.