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/634

ZIP codes starting with 634

ZIP codes
42
States
MO
Largest city
Hannibal, MO
Population
67,030

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 634xx

ZIP codes starting with 634
ZIP City Type Population Median income Median home
63401 Hannibal , MO Standard 21,489 $60,036 $152,100
63430 Alexandria , MO Standard 457 $65,250 —
63431 Anabel , MO Standard 547 $65,526 —
63432 Arbela , MO Standard 363 $60,481 $134,100
63433 Ashburn , MO Standard 0 — —
63434 Bethel , MO Standard 731 $50,625 $89,300
63435 Canton , MO Standard 4,318 $62,102 $151,800
63436 Center , MO Standard 1,199 $56,808 $175,500
63437 Clarence , MO Standard 1,560 $36,786 $87,200
63438 Durham , MO Standard 232 $42,188 $187,500
63439 Emden , MO Standard 183 $34,242 $86,800
63440 Ewing , MO Standard 1,136 $60,217 $147,500
63441 Frankford , MO Standard 1,144 $77,083 $105,300
63442 Granger , MO No street area — — —
63443 Hunnewell , MO Standard 393 $42,303 $96,100
63445 Kahoka , MO Standard 3,831 $48,370 $109,100
63446 Knox City , MO Standard 493 $60,982 —
63447 La Belle , MO Standard 1,060 $43,478 $94,400
63448 La Grange , MO Standard 1,760 $61,417 $117,800
63450 Lentner , MO Standard 145 $69,815 $88,100
63451 Leonard , MO Standard 177 $80,972 —
63452 Lewistown , MO Standard 1,026 $62,292 $86,500
63453 Luray , MO Standard 388 $74,028 $225,000
63454 Maywood , MO Standard 1,104 $88,192 $167,200
63456 Monroe City , MO Standard 4,749 $64,160 $161,200
63457 Monticello , MO Standard 389 $57,778 $181,300
63458 Newark , MO Standard 185 $69,250 $90,000
63459 New London , MO Standard 4,423 $67,778 $171,300
63460 Novelty , MO Standard 151 — $108,300
63461 Palmyra , MO Standard 5,446 $69,707 $212,000
63462 Perry , MO Standard 1,335 $51,205 $156,700
63463 Philadelphia , MO Standard 711 $69,688 $146,100
63464 Plevna , MO No street area — — —
63465 Revere , MO Standard 633 $57,361 $262,000
63466 Saint Patrick , MO Standard 0 — —
63467 Saverton , MO Standard 19 — —
63468 Shelbina , MO Standard 2,314 $45,882 $100,600
63469 Shelbyville , MO Standard 911 $55,625 $120,000
63471 Taylor , MO Standard 770 $103,182 $271,200
63472 Wayland , MO Standard 439 $22,455 —
63473 Williamstown , MO Standard 375 $57,174 $166,300
63474 Wyaconda , MO Standard 444 $51,000 $68,400

Cite this page

zipcodes.pro. “ZIP codes starting with 634.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/634

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