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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/ID/PORTHILL

Porthill ZIP code, Idaho

The ZIP code for Porthill, ID is 83853, and its area codes are 208 and 986.

USPS city name
1 ZIP code
Area codes
208, 986
State
Idaho

NANPA lists no telephone rate centre for Porthill itself, so these are the area codes of the nearest one, Bonners Ferry (11.1 miles). A town on an area-code boundary can differ from its neighbour.

ZIP codes addressed as Porthill

ZIP codes with the USPS city name Porthill
ZIP City Type
83853 Porthill , ID No street area

Towns near Porthill

Towns near Porthill
TownPopulationDistance
Bonners Ferry 2,669 21.9 mi

More nearby: every ZIP code in Boundary County · Idaho ZIP codes

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zipcodes.pro. “Porthill, ID ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/id/porthill

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