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/906

ZIP codes starting with 906

ZIP codes
32
States
CA
Largest city
Norwalk, CA
Population
722,585

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 906xx

ZIP codes starting with 906
ZIP City Type Population Median income Median home
90601 Whittier , CA Standard 30,078 $104,052 $787,500
90602 Whittier , CA Standard 25,905 $68,505 $766,300
90603 Whittier , CA Standard 21,118 $136,705 $859,000
90604 Whittier , CA Standard 39,276 $105,074 $785,200
90605 Whittier , CA Standard 39,387 $99,635 $721,400
90606 Whittier , CA Standard 32,057 $100,428 $660,100
90607 Whittier , CA No street area — — —
90608 Whittier , CA No street area — — —
90609 Whittier , CA No street area — — —
90610 Whittier , CA No street area — — —
90620 Buena Park , CA Standard 46,608 $126,094 $840,300
90621 Buena Park , CA Standard 35,984 $97,612 $832,000
90622 Buena Park , CA No street area — — —
90623 La Palma , CA Standard 15,545 $116,594 $979,600
90624 Buena Park , CA No street area — — —
90630 Cypress , CA Standard 49,318 $130,154 $909,700
90631 La Habra , CA Standard 68,309 $104,251 $818,500
90632 La Habra , CA No street area — — —
90633 La Habra , CA No street area — — —
90637 La Mirada , CA No street area — — —
90638 La Mirada , CA Standard 45,933 $109,649 $827,300
90639 La Mirada , CA Standard 1,671 — —
90640 Montebello , CA Standard 61,382 $79,625 $699,700
90650 Norwalk , CA Standard 99,900 $100,085 $644,700
90651 Norwalk , CA No street area — — —
90652 Norwalk , CA No street area — — —
90660 Pico Rivera , CA Standard 60,272 $88,201 $648,600
90661 Pico Rivera , CA No street area — — —
90662 Pico Rivera , CA No street area — — —
90670 Santa Fe Springs , CA Standard 17,851 $88,872 $659,600
90671 Santa Fe Springs , CA No street area — — —
90680 Stanton , CA Standard 31,991 $85,592 $603,000

Cite this page

zipcodes.pro. “ZIP codes starting with 906.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/906

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