ZIP code · Pittsburgh · Pennsylvania · United States

ZIP code 15231 — Pittsburgh

ZIP code 15231 serves Pittsburgh, Pennsylvania.

Postal code: 15231
Single source Value from one source, not cross-checked.
City: Pittsburgh
County: Allegheny
State: Pennsylvania
Country: United States
Coordinates: 40.4961, -80.2466 — precision precise (locality)
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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 15231 with another ZIP · ZIPs within 25 miles · distance from 15231

Climate — monthly normals

Warmest month Jul (avg high 83°F), coldest Jan (avg low 21°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	36	40	49	62	72	79	83	82	75	63	51	41
Avg low °F	21	23	30	41	51	59	63	62	55	44	34	27
Precip in	3.0	2.6	3.1	3.3	3.8	4.1	4.3	3.5	3.3	2.8	2.9	2.8

NOAA 1991–2020 climate normals from the nearest station: PITTSBURGH INTL AP (1.9 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. Data generated on 2026-08-21. Methodology · Report an error on this page