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/454

ZIP codes starting with 454

ZIP codes
43
States
OH
Largest city
Dayton, OH
Population
487,428

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 454xx

ZIP codes starting with 454
ZIP City Type Population Median income Median home
45401 Dayton , OH No street area — — —
45402 Dayton , OH Standard 9,407 $48,401 $135,700
45403 Dayton , OH Standard 13,608 $38,323 $87,500
45404 Dayton , OH Standard 9,826 $38,874 $86,900
45405 Dayton , OH Standard 18,955 $43,973 $84,200
45406 Dayton , OH Standard 19,991 $41,796 $85,000
45409 Dayton , OH Standard 15,293 $87,283 $249,000
45410 Dayton , OH Standard 14,694 $46,651 $110,600
45412 Dayton , OH No street area — — —
45413 Dayton , OH No street area — — —
45414 Dayton , OH Standard 21,167 $54,485 $182,300
45415 Dayton , OH Standard 12,465 $81,176 $188,600
45416 Dayton , OH Standard 5,640 $46,174 $81,100
45417 Dayton , OH Standard 28,186 $36,945 $75,100
45419 Dayton , OH Standard 17,008 $92,264 $248,400
45420 Dayton , OH Standard 24,411 $60,588 $131,300
45422 Dayton , OH No street area — — —
45423 Dayton , OH Standard 0 — —
45424 Dayton , OH Standard 50,725 $80,605 $183,800
45426 Dayton , OH Standard 14,114 $51,908 $123,900
45428 Dayton , OH Standard 272 — —
45429 Dayton , OH Standard 26,347 $80,210 $238,700
45430 Dayton , OH Standard 7,371 $115,461 $278,500
45431 Dayton , OH Standard 27,951 $83,175 $209,500
45432 Dayton , OH Standard 15,055 $83,115 $183,300
45433 Dayton , OH Standard 1,508 $89,615 —
45434 Dayton , OH Standard 12,529 $135,948 $309,700
45435 Dayton , OH Standard 134 — —
45437 Dayton , OH No street area — — —
45439 Dayton , OH Standard 11,914 $52,035 $143,300
45440 Dayton , OH Standard 22,358 $82,383 $267,900
45441 Dayton , OH No street area — — —
45448 Dayton , OH No street area — — —
45449 Dayton , OH Standard 19,066 $63,800 $163,500
45458 Dayton , OH Standard 38,712 $110,150 $362,700
45459 Dayton , OH Standard 28,553 $89,592 $302,100
45469 Dayton , OH Standard 168 — —
45470 Dayton , OH No street area — — —
45475 Dayton , OH No street area — — —
45479 Dayton , OH No street area — — —
45481 Dayton , OH No street area — — —
45482 Dayton , OH No street area — — —
45490 Dayton , OH No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 454.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/454

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