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/905

ZIP codes starting with 905

ZIP codes
10
States
CA
Largest city
Torrance, CA
Population
171,940

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 905xx

ZIP codes starting with 905
ZIP City Type Population Median income Median home
90501 Torrance , CA Standard 41,787 $92,923 $923,100
90502 Torrance , CA Standard 18,467 $94,291 $697,400
90503 Torrance , CA Standard 43,454 $125,912 $1,099,700
90504 Torrance , CA Standard 33,084 $107,552 $923,900
90505 Torrance , CA Standard 35,148 $115,593 $1,204,300
90506 Torrance , CA Standard 0 — —
90507 Torrance , CA No street area — — —
90508 Torrance , CA No street area — — —
90509 Torrance , CA No street area — — —
90510 Torrance , CA No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 905.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/905

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