Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/CA/MOUNTAIN-PASS

Mountain Pass ZIP code, California

The ZIP code for Mountain Pass, CA is 92366, and its area codes are 442 and 760.

USPS city name
1 ZIP code
Area codes
442, 760

ZIP codes addressed as Mountain Pass

ZIP codes with the USPS city name Mountain Pass
ZIP City Type
92366 Mountain Pass , CA No street area

More nearby: every ZIP code in San Bernardino County · California ZIP codes

Cite this page

zipcodes.pro. “Mountain Pass, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/mountain-pass

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