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/434

ZIP codes starting with 434

ZIP codes
45
States
OH
Largest city
Bowling Green, OH
Population
160,612

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 434xx

ZIP codes starting with 434
ZIP City Type Population Median income Median home
43402 Bowling Green , OH Standard 31,393 $52,426 $243,100
43403 Bowling Green , OH Standard 4,452 — —
43405 Toledo , OH No street area — — —
43406 Bradner , OH Standard 1,619 $71,597 $161,200
43407 Burgoon , OH Standard 484 $68,835 $216,700
43408 Clay Center , OH Standard 386 $61,719 $117,800
43410 Clyde , OH Standard 10,220 $52,500 $164,900
43412 Curtice , OH Standard 4,175 $107,885 $229,300
43413 Cygnet , OH Standard 1,160 $80,069 $139,700
43414 Dunbridge , OH Standard 144 — —
43416 Elmore , OH Standard 2,868 $88,611 $197,100
43420 Fremont , OH Standard 29,520 $61,331 $152,900
43430 Genoa , OH Standard 4,911 $73,807 $156,700
43431 Gibsonburg , OH Standard 4,609 $77,526 $151,300
43432 Graytown , OH Standard 1,357 $152,411 $244,700
43433 Gypsum , OH Standard 0 — —
43434 Harbor View , OH Standard 110 $72,083 $105,000
43435 Helena , OH Standard 1,368 $89,000 $176,400
43436 Isle Saint George , OH Standard 0 — —
43437 Jerry City , OH Standard 465 $68,750 $136,300
43438 Kelleys Island , OH Standard 128 $82,917 $346,400
43439 Lacarne , OH Standard 0 — —
43440 Lakeside Marblehead , OH Standard 4,222 $74,818 $297,100
43441 Lemoyne , OH No street area — — —
43442 Lindsey , OH Standard 824 $61,667 $172,500
43443 Luckey , OH Standard 1,613 $97,917 $207,100
43445 Martin , OH Standard 801 $82,670 $192,900
43446 Middle Bass , OH Standard 35 — —
43447 Millbury , OH Standard 3,348 $89,643 $218,600
43449 Oak Harbor , OH Standard 7,572 $71,083 $180,900
43450 Pemberville , OH Standard 3,759 $84,375 $239,700
43451 Portage , OH Standard 1,148 $62,167 $207,400
43452 Port Clinton , OH Standard 14,264 $67,490 $222,000
43456 Put In Bay , OH Standard 692 $72,969 $589,000
43457 Risingsun , OH Standard 1,411 $54,583 $153,800
43458 Rocky Ridge , OH Standard 282 $78,906 $97,100
43460 Rossford , OH Standard 6,200 $73,882 $174,000
43462 Rudolph , OH Standard 1,076 $88,000 $166,800
43463 Stony Ridge , OH Standard 366 $69,668 $104,900
43464 Vickery , OH Standard 2,138 $41,471 $124,100
43465 Walbridge , OH Standard 5,451 $71,311 $172,800
43466 Wayne , OH Standard 2,492 $87,438 $177,400
43467 West Millgrove , OH Standard 185 $98,333 $94,200
43468 Williston , OH Standard 459 $130,533 $206,400
43469 Woodville , OH Standard 2,905 $86,410 $205,500

Cite this page

zipcodes.pro. “ZIP codes starting with 434.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/434

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