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/644

ZIP codes starting with 644

ZIP codes
70
States
MO
Largest city
Maryville, MO
Population
97,694

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 644xx

ZIP codes starting with 644
ZIP City Type Population Median income Median home
64401 Agency , MO Standard 1,757 $99,398 $271,900
64402 Albany , MO Standard 2,379 $54,444 $111,900
64420 Allendale , MO Standard 31 $73,750 $243,800
64421 Amazonia , MO Standard 817 $53,125 $90,000
64422 Amity , MO Standard 350 $68,882 $181,900
64423 Barnard , MO Standard 777 $58,854 $177,300
64424 Bethany , MO Standard 3,929 $53,479 $120,800
64426 Blythedale , MO Standard 530 $87,844 $28,200
64427 Bolckow , MO Standard 582 $62,917 $208,700
64428 Burlington Junction , MO Standard 609 $56,250 $105,700
64429 Cameron , MO Standard 11,449 $68,708 $206,600
64430 Clarksdale , MO Standard 823 $75,577 $202,400
64431 Clearmont , MO Standard 441 $75,625 $160,000
64432 Clyde , MO Standard 119 $76,250 $107,500
64433 Conception , MO Standard 202 $50,417 $114,100
64434 Conception Junction , MO Standard 494 $73,750 $152,100
64436 Cosby , MO Standard 873 $113,500 $253,800
64437 Craig , MO Standard 561 $51,667 $137,500
64438 Darlington , MO Standard 77 — —
64439 Dearborn , MO Standard 1,537 $91,136 $286,100
64440 De Kalb , MO Standard 900 $94,306 $187,800
64441 Denver , MO Standard 110 $42,250 $112,500
64442 Eagleville , MO Standard 951 $61,985 $114,800
64443 Easton , MO Standard 1,249 $86,042 $300,000
64444 Edgerton , MO Standard 1,043 $68,482 $233,800
64445 Elmo , MO Standard 301 $66,667 $98,100
64446 Fairfax , MO Standard 1,066 $56,949 $101,800
64448 Faucett , MO Standard 912 $76,058 $258,500
64449 Fillmore , MO Standard 491 $71,667 $89,200
64451 Forest City , MO Standard 333 $52,955 $110,200
64453 Gentry , MO Standard 140 $80,536 —
64454 Gower , MO Standard 2,941 $87,262 $260,800
64455 Graham , MO Standard 292 $53,864 $102,300
64456 Grant City , MO Standard 1,367 $48,611 $92,000
64457 Guilford , MO Standard 308 $62,250 $105,600
64458 Hatfield , MO Standard 159 — $77,700
64459 Helena , MO Standard 507 $78,808 $170,900
64461 Hopkins , MO Standard 768 $63,750 $102,500
64463 King City , MO Standard 1,349 $59,219 $160,800
64465 Lathrop , MO Standard 3,947 $80,552 $192,200
64466 Maitland , MO Standard 565 $54,028 $112,500
64467 Martinsville , MO Standard 145 — $211,800
64468 Maryville , MO Standard 14,280 $57,251 $211,100
64469 Maysville , MO Standard 2,225 $62,059 $154,000
64470 Mound City , MO Standard 1,483 $70,833 $165,800
64471 New Hampton , MO Standard 309 $34,375 $74,200
64473 Oregon , MO Standard 1,285 $63,313 $135,900
64474 Osborn , MO Standard 831 $77,083 $137,500
64475 Parnell , MO Standard 403 $60,469 $120,500
64476 Pickering , MO Standard 223 $73,250 $110,700
64477 Plattsburg , MO Standard 3,489 $64,643 $238,900
64479 Ravenwood , MO Standard 1,091 $61,184 $150,700
64480 Rea , MO Standard 329 $115,781 $256,700
64481 Ridgeway , MO Standard 1,154 $55,341 $120,200
64482 Rock Port , MO Standard 1,980 $66,534 $120,000
64483 Rosendale , MO Standard 591 $73,750 $188,600
64484 Rushville , MO Standard 940 $77,917 $163,400
64485 Savannah , MO Standard 7,998 $67,929 $199,700
64486 Sheridan , MO Standard 270 $26,375 $55,000
64487 Skidmore , MO Standard 572 $65,833 $95,900
64489 Stanberry , MO Standard 2,204 $54,519 $167,900
64490 Stewartsville , MO Standard 1,939 $88,750 $181,800
64491 Tarkio , MO Standard 1,638 $57,500 $91,300
64492 Trimble , MO Standard 1,713 $66,211 $225,900
64493 Turney , MO Standard 333 $64,583 $388,900
64494 Union Star , MO Standard 1,163 $65,511 $144,200
64496 Watson , MO Standard 224 $53,021 $206,600
64497 Weatherby , MO Standard 488 $69,250 $196,100
64498 Westboro , MO Standard 221 $48,750 $45,700
64499 Worth , MO Standard 137 $93,565 $94,300

Cite this page

zipcodes.pro. “ZIP codes starting with 644.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/644

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