ZIP code · Herndon · Virginia · United States

ZIP code 20192 — Herndon

ZIP code 20192 serves Herndon, Virginia.

Postal code: 20192
Single source Value from one source, not cross-checked.
City: Herndon
County: Fairfax
State: Virginia
Country: United States
Coordinates: 38.8318, -77.2888 — precision precise (locality)
View on OpenStreetMap
Time zone: America/New_York (UTC−5 / UTC−4 DST)
Area codes: 571, 703
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 20192 with another ZIP · ZIPs within 25 miles · distance from 20192

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 23°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	42	45	53	65	72	80	84	82	76	65	56	46
Avg low °F	23	24	32	41	52	61	67	65	57	45	35	28
Precip in	3.3	2.6	3.8	3.4	4.3	4.1	4.3	3.5	4.2	3.5	3.1	3.4

NOAA 1991–2020 climate normals from the nearest station: VIENNA (4.2 mi) · NOAA NCEI

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 · NOAA NCEI. Data generated on 2026-08-21. Methodology · Report an error on this page