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/638

ZIP codes starting with 638

ZIP codes
47
States
MO
Largest city
Sikeston, MO
Population
108,339

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 638xx

ZIP codes starting with 638
ZIP City Type Population Median income Median home
63801 Sikeston , MO Standard 22,027 $62,698 $156,700
63820 Anniston , MO Standard 249 — —
63821 Arbyrd , MO Standard 616 $40,238 $60,900
63822 Bernie , MO Standard 2,724 $57,639 $127,900
63823 Bertrand , MO Standard 1,434 $62,656 $105,600
63824 Blodgett , MO Standard 185 $38,333 —
63825 Bloomfield , MO Standard 4,224 $52,414 $96,600
63826 Braggadocio , MO Standard 164 — $68,300
63827 Bragg City , MO Standard 431 $65,313 $86,700
63828 Canalou , MO Standard 177 $46,875 $32,000
63829 Cardwell , MO Standard 1,070 $28,281 $68,100
63830 Caruthersville , MO Standard 6,118 $36,979 $121,300
63833 Catron , MO Standard 137 $60,682 $192,500
63834 Charleston , MO Standard 5,169 $41,348 $114,000
63837 Clarkton , MO Standard 1,381 $46,066 $53,800
63839 Cooter , MO Standard 290 $42,250 $73,900
63840 Deering , MO Standard 74 $65,227 $62,300
63841 Dexter , MO Standard 13,191 $58,607 $163,400
63845 East Prairie , MO Standard 5,261 $51,207 $110,200
63846 Essex , MO Standard 1,239 $50,813 $93,300
63847 Gibson , MO Standard 91 — —
63848 Gideon , MO Standard 887 $43,083 $63,600
63849 Gobler , MO Standard 176 $90,685 $116,700
63850 Grayridge , MO Standard 8 — —
63851 Hayti , MO Standard 3,684 $28,705 $77,600
63852 Holcomb , MO Standard 1,172 $46,971 $92,500
63853 Holland , MO Standard 141 $37,375 $59,300
63855 Hornersville , MO Standard 854 $50,278 $75,400
63857 Kennett , MO Standard 11,930 $55,188 $115,100
63860 Kewanee , MO Standard 172 $40,817 $56,100
63862 Lilbourn , MO Standard 1,237 $43,940 $81,600
63863 Malden , MO Standard 5,321 $47,205 $91,900
63866 Marston , MO Standard 409 $33,750 $64,300
63867 Matthews , MO Standard 764 $47,143 $110,500
63868 Morehouse , MO Standard 653 $32,254 $57,000
63869 New Madrid , MO Standard 3,218 $57,959 $132,100
63870 Parma , MO Standard 1,066 $57,639 $62,100
63873 Portageville , MO Standard 4,015 $54,362 $128,400
63874 Risco , MO Standard 288 $48,000 $62,300
63875 Rives , MO No street area — — —
63876 Senath , MO Standard 2,071 $34,837 $95,900
63877 Steele , MO Standard 2,816 $51,923 $160,200
63878 Tallapoosa , MO Standard 92 — $61,100
63879 Wardell , MO Standard 694 $41,083 $56,800
63880 Whiteoak , MO Standard 97 — —
63881 Wolf Island , MO No street area — — —
63882 Wyatt , MO Standard 322 $30,227 $57,100

Cite this page

zipcodes.pro. “ZIP codes starting with 638.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/638

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