ZIP code · Pittsburgh · Pennsylvania · United States

ZIP code 15278 — Pittsburgh

ZIP code 15278 serves Pittsburgh, Pennsylvania.

Postal code: 15278
Single source Value from one source, not cross-checked.
City: Pittsburgh
County: Allegheny
State: Pennsylvania
Country: United States
Coordinates: 40.4344, -80.0248 — precision precise (locality)
View on OpenStreetMap
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 codes: 412, 724, 878
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 15278 with another ZIP · ZIPs within 25 miles · distance from 15278

Climate — monthly normals

Warmest month Jul (avg high 85°F), coldest Jan (avg low 21°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	39	42	51	64	74	81	85	84	78	66	54	43
Avg low °F	21	22	29	39	50	59	64	62	55	44	33	26
Precip in	3.4	2.8	3.2	3.2	3.5	3.5	3.6	3.3	3.2	2.8	2.8	3.0

NOAA 1991–2020 climate normals from the nearest station: EMSWORTH L/D OHIO RVR (5.9 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