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/806

ZIP codes starting with 806

ZIP codes
32
States
CO
Largest city
Greeley, CO
Population
318,692

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 806xx

ZIP codes starting with 806
ZIP City Type Population Median income Median home
80601 Brighton , CO Standard 42,127 $105,417 $497,700
80602 Brighton , CO Standard 44,783 $151,737 $667,000
80603 Brighton , CO Standard 16,811 $118,297 $492,000
80610 Ault , CO Standard 4,132 $92,153 $424,800
80611 Briggsdale , CO Standard 557 $78,529 $414,900
80612 Carr , CO Standard 494 — $637,100
80614 Eastlake , CO No street area — — —
80615 Eaton , CO Standard 9,060 $107,308 $522,000
80620 Evans , CO Standard 20,798 $73,590 $341,700
80621 Fort Lupton , CO Standard 15,060 $90,055 $463,200
80622 Galeton , CO Standard 282 $138,710 —
80623 Gilcrest , CO Standard 1,026 — $321,900
80624 Gill , CO Standard 685 $80,673 $481,400
80631 Greeley , CO Standard 53,722 $54,591 $336,600
80632 Greeley , CO No street area — — —
80633 Greeley , CO No street area — — —
80634 Greeley , CO Standard 65,622 $82,742 $432,700
80638 Greeley , CO No street area — — —
80639 Greeley , CO No street area — — —
80640 Henderson , CO Standard 13,818 $117,373 $497,100
80642 Hudson , CO Standard 4,466 $105,225 $620,000
80643 Keenesburg , CO Standard 5,119 $97,766 $474,900
80644 Kersey , CO Standard 2,124 $97,847 $409,100
80645 La Salle , CO Standard 4,917 $87,609 $427,200
80646 Lucerne , CO Standard 0 — —
80648 Nunn , CO Standard 902 $94,079 $379,700
80649 Orchard , CO Standard 263 — $526,600
80650 Pierce , CO Standard 2,192 $57,083 $393,200
80651 Platteville , CO Standard 4,837 $81,586 $474,700
80652 Roggen , CO Standard 299 $72,639 $472,000
80653 Weldona , CO Standard 939 $51,542 $361,300
80654 Wiggins , CO Standard 3,657 $91,864 $434,300

Cite this page

zipcodes.pro. “ZIP codes starting with 806.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/806

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