ZIP code · Austin · Texas · United States

ZIP code 78783 — Austin

ZIP code 78783 serves Austin, Texas.

Postal code: 78783
Single source Value from one source, not cross-checked.
City: Austin
County: Travis
State: Texas
Country: United States
Coordinates: 30.3264, -97.7713 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 9a (20 to 25 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone: America/Chicago (UTC−6 / UTC−5 DST)
Area codes: 512, 737
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 78783 with another ZIP · ZIPs within 25 miles · distance from 78783

Climate — monthly normals

Warmest month Aug (avg high 98°F), coldest Jan (avg low 42°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	63	67	73	80	87	93	97	98	91	83	72	64
Avg low °F	42	46	52	59	67	73	75	75	70	61	51	43
Precip in	2.6	1.9	2.9	2.4	5.0	3.7	2.0	2.7	3.5	3.9	2.9	2.7

NOAA 1991–2020 climate normals from the nearest station: AUSTIN-CAMP MABRY (0.7 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 · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page