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/CHALLENGE

Challenge ZIP code, California

The ZIP code for Challenge, CA is 95925, and its area code is 530.

USPS city name
1 ZIP code
Population
69
Area code
530

ZIP codes addressed as Challenge

ZIP codes with the USPS city name Challenge
ZIP City Type Population Median income Median home
95925 Challenge , CA Standard 69 — —

Map of Challenge ZIP codes

The ZIP codes of Challenge, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Challenge

The nearest larger towns are Clipper Mills (414 people, 3.6 mi), Challenge-Brownsville (887 people, 4.0 mi) and Forbestown (90 people, 4.9 mi).

Towns near Challenge
TownPopulationDistance
Kelly Ridge 2,825 14.9 mi
Oroville East 7,504 15.5 mi
Lake Wildwood 4,792 17.3 mi
Nevada City 3,172 17.7 mi
Palermo 5,266 18.0 mi
South Oroville 2,846 18.7 mi
Oroville 19,752 19.6 mi
Grass Valley 14,113 19.7 mi
Thermalito 6,720 21.8 mi
Alta Sierra 7,361 25.9 mi
Gridley 7,330 28.2 mi
Live Oak 9,347 28.8 mi
Paradise 7,392 28.9 mi

More nearby: every ZIP code in Yuba County · California ZIP codes

Cite this page

zipcodes.pro. “Challenge, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/challenge

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