ZIP code · Johnstown · Pennsylvania · United States

ZIP code 15915 — Johnstown

ZIP code 15915 serves Johnstown, Pennsylvania.

Postal code: 15915
Single source Value from one source, not cross-checked.
City: Johnstown
County: Cambria
State: Pennsylvania
Country: United States
Coordinates: 40.3267, -78.9220 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 6b (-5 to 0 °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: 814, 582
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 15915 with another ZIP · ZIPs within 25 miles · distance from 15915

Climate — monthly normals

Warmest month Jul (avg high 79°F), coldest Jan (avg low 19°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	33	36	45	58	68	75	79	77	71	59	47	38
Avg low °F	19	21	28	38	49	57	61	60	53	43	33	25
Precip in	2.5	2.5	3.1	3.5	4.1	4.4	4.2	4.0	4.0	3.1	3.1	2.7

NOAA 1991–2020 climate normals from the nearest station: JOHNSTOWN CAMBRIA CO AP (4.7 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