ZIP code · Markham · Virginia · United States
ZIP code 22643 — Markham
ZIP code 22643 serves Markham, Virginia.
- Postal code
- 22643Single source Value from one source, not cross-checked.
- City
- Markham
- County
- Fauquier FIPS 51061
- State
- Virginia
- Country
- United States
- Coordinates
- 38.9040, -78.0019 — precision precise (locality)
View on OpenStreetMap - Population
- 133 (ZCTA, ACS 5-year)
- Population density
- 6 / sq mi
- Land area
- 21.2 sq mi (55 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $38,298
- Median age
- 65.4
- Households
- 67
- Housing units
- 120
- Congressional district
- VA-10 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 540 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 22643 with another ZIP · ZIPs within 25 miles · distance from 22643
Map of ZIP code 22643
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 43 | 47 | 54 | 67 | 74 | 82 | 87 | 85 | 78 | 67 | 56 | 47 |
| Avg low °F | 24 | 26 | 33 | 43 | 51 | 60 | 64 | 62 | 56 | 45 | 35 | 28 |
| Precip in | 2.9 | 2.5 | 3.8 | 3.4 | 4.4 | 4.5 | 3.6 | 4.0 | 4.8 | 3.4 | 3.3 | 3.1 |
NOAA 1991–2020 climate normals from the nearest station: FRONT ROYAL (9.7 mi) · NOAA NCEI
Places in ZIP 22643
- 1 post offices
- 1 places of worship
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page