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/433

ZIP codes starting with 433

ZIP codes
43
States
OH
Largest city
Marion, OH
Population
180,342

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 433xx

ZIP codes starting with 433
ZIP City Type Population Median income Median home
43301 Marion , OH No street area — — —
43302 Marion , OH Standard 53,702 $55,057 $154,200
43310 Belle Center , OH Standard 3,177 $68,388 $163,300
43311 Bellefontaine , OH Standard 20,391 $67,914 $207,600
43314 Caledonia , OH Standard 2,438 $49,183 $147,700
43315 Cardington , OH Standard 6,873 $73,770 $182,700
43316 Carey , OH Standard 5,968 $78,828 $167,300
43317 Chesterville , OH Standard 173 $56,875 $171,400
43318 De Graff , OH Standard 4,352 $91,520 $215,900
43319 East Liberty , OH Standard 851 $136,141 $303,200
43320 Edison , OH Standard 1,189 $51,603 $124,300
43321 Fulton , OH Standard 378 $48,125 $125,000
43322 Green Camp , OH Standard 437 $56,250 $123,300
43323 Harpster , OH Standard 598 $56,667 $178,500
43324 Huntsville , OH Standard 2,733 $56,466 $256,500
43325 Iberia , OH Standard 70 — —
43326 Kenton , OH Standard 12,573 $63,785 $153,200
43330 Kirby , OH Standard 100 $65,625 $105,000
43331 Lakeview , OH Standard 4,106 $60,980 $145,300
43332 La Rue , OH Standard 2,173 $81,382 $146,600
43333 Lewistown , OH Standard 941 — $251,600
43334 Marengo , OH Standard 6,326 $100,825 $262,900
43335 Martel , OH No street area — — —
43336 Middleburg , OH Standard 41 — —
43337 Morral , OH Standard 625 $70,833 $141,300
43338 Mount Gilead , OH Standard 10,599 $72,311 $242,400
43340 Mount Victory , OH Standard 2,103 $72,446 $192,900
43341 New Bloomington , OH Standard 953 $54,836 $152,600
43342 Prospect , OH Standard 3,836 $84,803 $176,100
43343 Quincy , OH Standard 1,366 $63,438 $156,900
43344 Richwood , OH Standard 6,173 $80,909 $237,900
43345 Ridgeway , OH Standard 666 $90,821 $201,600
43346 Roundhead , OH Standard 238 $57,130 —
43347 Rushsylvania , OH Standard 1,113 $93,893 $157,600
43348 Russells Point , OH Standard 1,897 $51,426 $173,000
43349 Shauck , OH No street area — — —
43350 Sparta , OH Standard 146 $70,583 $157,500
43351 Upper Sandusky , OH Standard 10,457 $67,606 $170,400
43356 Waldo , OH Standard 1,120 $92,870 $250,500
43357 West Liberty , OH Standard 4,899 $92,448 $235,300
43358 West Mansfield , OH Standard 2,275 $89,121 $218,600
43359 Wharton , OH Standard 748 $69,167 $165,100
43360 Zanesfield , OH Standard 1,538 $105,795 $232,100

Cite this page

zipcodes.pro. “ZIP codes starting with 433.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/433

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