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/637

ZIP codes starting with 637

ZIP codes
42
States
MO
Largest city
Cape Girardeau, MO
Population
131,897

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 637xx

ZIP codes starting with 637
ZIP City Type Population Median income Median home
63701 Cape Girardeau , MO Standard 39,345 $66,654 $219,800
63702 Cape Girardeau , MO No street area — — —
63703 Cape Girardeau , MO Standard 8,201 $38,695 $122,200
63730 Advance , MO Standard 3,397 $70,707 $130,100
63732 Altenburg , MO Standard 863 $76,250 $174,100
63735 Bell City , MO Standard 697 $28,214 $67,000
63736 Benton , MO Standard 3,755 $59,414 $168,700
63737 Brazeau , MO No street area — — —
63738 Brownwood , MO Standard 0 — —
63739 Burfordville , MO Standard 508 $62,500 $142,100
63740 Chaffee , MO Standard 5,165 $54,364 $140,700
63742 Commerce , MO Standard 64 — —
63743 Daisy , MO Standard 64 $122,750 —
63744 Delta , MO Standard 198 $36,250 $110,200
63745 Dutchtown , MO Standard 136 — $106,300
63746 Farrar , MO Standard 11 — —
63747 Friedheim , MO Standard 972 $106,425 $190,600
63748 Frohna , MO Standard 1,174 $59,478 $177,000
63750 Gipsy , MO Standard 318 $120,773 $341,500
63751 Glenallen , MO Standard 946 $34,318 $253,600
63752 Gordonville , MO No street area — — —
63755 Jackson , MO Standard 27,629 $78,750 $252,100
63758 Kelso , MO Standard 435 $56,250 $194,400
63760 Leopold , MO Standard 604 $80,268 $218,000
63763 Mc Gee , MO Standard 98 — —
63764 Marble Hill , MO Standard 4,760 $49,917 $138,700
63766 Millersville , MO Standard 1,715 $58,828 $210,100
63767 Morley , MO Standard 526 $46,765 $86,000
63769 Oak Ridge , MO Standard 1,358 $91,146 $195,800
63770 Old Appleton , MO Standard 203 — —
63771 Oran , MO Standard 2,365 $70,603 $133,400
63774 Perkins , MO Standard 106 $48,558 —
63775 Perryville , MO Standard 16,325 $63,712 $188,100
63776 Mc Bride , MO No street area — — —
63779 Pocahontas , MO No street area — — —
63780 Scott City , MO Standard 6,243 $72,171 $169,600
63781 Sedgewickville , MO Standard 1,398 $72,561 $166,400
63782 Sturdivant , MO Standard 172 $78,068 —
63783 Uniontown , MO Standard 60 — —
63784 Vanduser , MO Standard 253 $48,333 $68,600
63785 Whitewater , MO Standard 1,282 $75,938 $206,100
63787 Zalma , MO Standard 551 $46,000 $130,100

Cite this page

zipcodes.pro. “ZIP codes starting with 637.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/637

Underlying data is public domain or openly licensed — sources, vintages and licences.