ZIP code · Porthill · Idaho · United States

ZIP code 83853 — Porthill

ZIP code 83853 serves Porthill, Idaho.

Postal code: 83853
Single source Value from one source, not cross-checked.
City: Porthill
County: Boundary
State: Idaho
Country: United States
Coordinates: 48.9920, -116.4775 — precision precise (locality)
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Time zone: America/Los_Angeles (UTC−8 / UTC−7 DST)
Area codes: 208, 986 (from the nearest rate centre)
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 83853 with another ZIP · ZIPs within 25 miles · distance from 83853

Climate — monthly normals

Warmest month Aug (avg high 86°F), coldest Jan (avg low 21°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	36	40	50	60	71	76	86	86	74	58	44	36
Avg low °F	21	22	28	34	42	48	52	50	42	33	27	21
Precip in	2.2	1.7	1.9	1.6	2.2	2.1	1.2	0.8	1.1	1.8	2.4	2.5

NOAA 1991–2020 climate normals from the nearest station: PORTHILL 1 SW (1.1 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