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 — PREFIX/485

ZIP codes starting with 485

ZIP codes
20
States
MI
Largest city
Flint, MI
Population
164,028

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 485xx

ZIP codes starting with 485
ZIP City Type Population Median income Median home
48501 Flint , MI No street area — — —
48502 Flint , MI Standard 1,420 $50,000 —
48503 Flint , MI Standard 22,347 $44,411 $83,800
48504 Flint , MI Standard 24,218 $38,719 $53,500
48505 Flint , MI Standard 18,032 $33,283 $31,700
48506 Flint , MI Standard 24,712 $47,929 $91,900
48507 Flint , MI Standard 28,723 $46,554 $111,300
48509 Burton , MI Standard 8,645 $64,160 $135,800
48519 Burton , MI Standard 8,096 $64,351 $159,100
48529 Burton , MI Standard 9,339 $41,333 $86,700
48531 Flint , MI No street area — — —
48532 Flint , MI Standard 18,496 $61,998 $169,200
48550 Flint , MI No street area — — —
48551 Flint , MI No street area — — —
48552 Flint , MI No street area — — —
48553 Flint , MI No street area — — —
48554 Flint , MI No street area — — —
48555 Flint , MI No street area — — —
48556 Flint , MI No street area — — —
48557 Flint , MI No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 485.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/485

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