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/636

ZIP codes starting with 636

ZIP codes
37
States
MO
Largest city
Farmington, MO
Population
133,410

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 636xx

ZIP codes starting with 636
ZIP City Type Population Median income Median home
63601 Park Hills , MO Standard 16,389 $54,753 $126,300
63620 Annapolis , MO Standard 1,036 $42,426 $202,600
63621 Arcadia , MO Standard 1,632 $87,825 $175,300
63622 Belgrade , MO Standard 764 $31,750 —
63623 Belleview , MO Standard 895 $44,844 $140,600
63624 Bismarck , MO Standard 3,447 $41,984 $90,400
63625 Black , MO Standard 382 — $210,700
63626 Blackwell , MO Standard 588 $82,599 $181,500
63627 Bloomsdale , MO Standard 2,787 $88,071 $266,700
63628 Bonne Terre , MO Standard 16,416 $63,602 $189,100
63629 Bunker , MO Standard 947 $47,049 $103,800
63630 Cadet , MO Standard 4,006 $52,482 $149,800
63631 Caledonia , MO Standard 544 $74,211 $127,500
63632 Cascade , MO No street area — — —
63633 Centerville , MO Standard 775 $52,500 $158,300
63636 Des Arc , MO Standard 446 $65,000 $65,400
63637 Doe Run , MO Standard 759 $54,926 $152,500
63638 Ellington , MO Standard 2,489 $55,257 $137,500
63640 Farmington , MO Standard 29,263 $61,913 $216,700
63645 Fredericktown , MO Standard 11,554 $54,747 $157,500
63648 Irondale , MO Standard 1,858 $51,765 $99,500
63650 Ironton , MO Standard 3,600 $50,183 $123,100
63651 Knob Lick , MO No street area — — —
63653 Leadwood , MO Standard 1,186 $38,021 $53,900
63654 Lesterville , MO Standard 752 $36,607 $188,200
63655 Marquand , MO Standard 1,639 $61,469 $175,600
63656 Middle Brook , MO Standard 576 $47,181 $101,900
63660 Mineral Point , MO Standard 2,784 $51,410 $119,700
63662 Patton , MO Standard 536 $55,074 —
63663 Pilot Knob , MO Standard 649 $44,750 $108,500
63664 Potosi , MO Standard 9,693 $61,216 $125,100
63665 Redford , MO Standard 313 $28,438 $125,800
63666 Reynolds , MO No street area — — —
63670 Sainte Genevieve , MO Standard 12,293 $62,679 $212,500
63673 Saint Mary , MO Standard 2,340 $77,931 $235,900
63674 Tiff , MO Standard 48 — —
63675 Vulcan , MO Standard 24 $16,250 $562,500

Cite this page

zipcodes.pro. “ZIP codes starting with 636.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/636

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