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/431

ZIP codes starting with 431

ZIP codes
49
States
OH
Largest city
Grove City, OH
Population
453,773

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 431xx

ZIP codes starting with 431
ZIP City Type Population Median income Median home
43101 Adelphi , OH Standard 316 $39,107 $164,300
43102 Amanda , OH Standard 3,711 $90,781 $304,500
43103 Ashville , OH Standard 13,130 $83,291 $270,200
43105 Baltimore , OH Standard 8,982 $98,583 $340,900
43106 Bloomingburg , OH Standard 1,587 $82,813 $140,200
43107 Bremen , OH Standard 3,791 $78,482 $241,600
43109 Brice , OH Standard 152 $56,940 $243,800
43110 Canal Winchester , OH Standard 43,544 $77,442 $304,200
43111 Carbon Hill , OH Standard 249 $46,694 —
43112 Carroll , OH Standard 4,909 $91,613 $338,300
43113 Circleville , OH Standard 24,480 $67,231 $237,100
43115 Clarksburg , OH Standard 1,796 $94,265 $156,700
43116 Commercial Point , OH Standard 2,684 $113,229 $351,800
43117 Derby , OH Standard 7 — —
43119 Galloway , OH Standard 29,660 $91,224 $253,600
43123 Grove City , OH Standard 67,626 $91,008 $284,700
43125 Groveport , OH Standard 14,803 $84,043 $246,500
43126 Harrisburg , OH Standard 306 $63,333 $183,100
43127 Haydenville , OH Standard 257 $67,500 —
43128 Jeffersonville , OH Standard 2,002 $50,915 $173,100
43130 Lancaster , OH Standard 62,933 $72,153 $230,000
43135 Laurelville , OH Standard 3,937 $72,823 $222,500
43136 Lithopolis , OH Standard 2,216 $114,375 $335,400
43137 Lockbourne , OH Standard 2,415 $49,145 $218,200
43138 Logan , OH Standard 18,906 $68,051 $172,900
43140 London , OH Standard 24,237 $83,644 $242,900
43142 Milledgeville , OH Standard 107 $55,833 $101,400
43143 Mount Sterling , OH Standard 5,803 $100,333 $242,800
43144 Murray City , OH Standard 295 $34,732 $81,700
43145 New Holland , OH Standard 2,070 $73,500 $177,600
43146 Orient , OH Standard 13,387 $81,191 $322,200
43147 Pickerington , OH Standard 46,963 $126,534 $348,300
43148 Pleasantville , OH Standard 1,898 $72,072 $242,000
43149 Rockbridge , OH Standard 2,129 $57,500 $257,600
43150 Rushville , OH Standard 2,300 $75,284 $271,500
43151 Sedalia , OH Standard 233 $62,292 $136,500
43152 South Bloomingville , OH Standard 941 — $179,800
43153 South Solon , OH Standard 1,112 $90,417 $184,000
43154 Stoutsville , OH Standard 3,367 $91,250 $250,700
43155 Sugar Grove , OH Standard 2,361 $90,337 $242,200
43156 Tarlton , OH Standard 237 $93,542 $111,800
43157 Thurston , OH Standard 597 $62,188 $157,500
43158 Union Furnace , OH Standard 160 — —
43160 Washington Court House , OH Standard 22,105 $61,740 $170,200
43162 West Jefferson , OH Standard 6,896 $76,250 $213,800
43164 Williamsport , OH Standard 2,176 $68,000 $190,300
43194 Lockbourne , OH No street area — — —
43195 Groveport , OH No street area — — —
43199 Groveport , OH No street area — — —

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zipcodes.pro. “ZIP codes starting with 431.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/431

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