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/804

ZIP codes starting with 804

ZIP codes
63
States
CO
Largest city
Golden, CO
Population
227,833

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 804xx

ZIP codes starting with 804
ZIP City Type Population Median income Median home
80401 Golden , CO Standard 43,811 $118,039 $804,500
80402 Golden , CO No street area — — —
80403 Golden , CO Standard 20,732 $151,276 $838,000
80419 Golden , CO Standard 0 — —
80420 Alma , CO Standard 1,246 $86,705 $616,000
80421 Bailey , CO Standard 8,536 $98,452 $578,700
80422 Black Hawk , CO Standard 4,363 $95,625 $588,800
80423 Bond , CO Standard 83 — $535,700
80424 Breckenridge , CO Standard 9,764 $120,907 $1,034,600
80425 Buffalo Creek , CO Standard 243 $82,188 $671,900
80426 Burns , CO Standard 102 $95,688 $465,000
80427 Central City , CO Standard 567 $62,264 $364,300
80428 Clark , CO Standard 720 $120,227 $829,700
80429 Climax , CO No street area — — —
80430 Coalmont , CO Standard 148 $64,338 $346,600
80432 Como , CO Standard 293 $44,605 $403,400
80433 Conifer , CO Standard 8,292 $134,402 $772,600
80434 Cowdrey , CO Standard 32 — —
80435 Dillon , CO Standard 8,715 $97,463 $941,600
80436 Dumont , CO Standard 348 $59,091 $375,500
80437 Evergreen , CO No street area — — —
80438 Empire , CO Standard 970 $67,034 $355,600
80439 Evergreen , CO Standard 24,610 $156,218 $900,300
80440 Fairplay , CO Standard 3,502 $116,143 $469,200
80442 Fraser , CO Standard 2,614 $108,387 $773,000
80443 Frisco , CO Standard 3,992 $108,710 $909,000
80444 Georgetown , CO Standard 1,053 $79,118 $521,700
80446 Granby , CO Standard 4,017 $74,973 $642,600
80447 Grand Lake , CO Standard 1,857 $96,000 $632,400
80448 Grant , CO Standard 0 — —
80449 Hartsel , CO Standard 916 $59,635 $397,000
80451 Hot Sulphur Springs , CO Standard 1,265 $111,875 $421,100
80452 Idaho Springs , CO Standard 3,135 $75,565 $449,300
80453 Idledale , CO Standard 297 — $451,900
80454 Indian Hills , CO Standard 986 $178,980 $789,200
80455 Jamestown , CO Standard 501 $169,286 $622,400
80456 Jefferson , CO Standard 507 — $627,800
80457 Kittredge , CO Standard 283 $235,160 $464,100
80459 Kremmling , CO Standard 2,569 $87,727 $390,600
80461 Leadville , CO Standard 6,957 $95,775 $458,400
80463 Mc Coy , CO Standard 100 $192,656 $1,065,500
80465 Morrison , CO Standard 16,582 $132,292 $685,300
80466 Nederland , CO Standard 3,599 $100,962 $731,700
80467 Oak Creek , CO Standard 2,260 $102,143 $663,500
80468 Parshall , CO Standard 382 — $629,800
80469 Phippsburg , CO Standard 402 $87,366 $545,500
80470 Pine , CO Standard 3,608 $135,682 $681,300
80471 Pinecliffe , CO Standard 0 — —
80473 Rand , CO Standard 62 $30,735 —
80474 Rollinsville , CO Standard 264 — —
80475 Shawnee , CO Standard 39 — —
80476 Silver Plume , CO Standard 159 $51,875 $556,400
80477 Steamboat Springs , CO No street area — — —
80478 Tabernash , CO Standard 1,396 $105,801 $1,008,600
80479 Toponas , CO Standard 32 — —
80480 Walden , CO Standard 1,130 $49,167 $230,700
80481 Ward , CO Standard 484 $116,563 $710,700
80482 Winter Park , CO Standard 1,447 $65,137 $775,300
80483 Yampa , CO Standard 455 $85,089 $429,500
80487 Steamboat Springs , CO Standard 18,525 $109,659 $1,055,900
80488 Steamboat Springs , CO No street area — — —
80497 Silverthorne , CO No street area — — —
80498 Silverthorne , CO Standard 8,881 $105,897 $824,200

Cite this page

zipcodes.pro. “ZIP codes starting with 804.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/804

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