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/445

ZIP codes starting with 445

ZIP codes
15
States
OH
Largest city
Youngstown, OH
Population
154,533

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 445xx

ZIP codes starting with 445
ZIP City Type Population Median income Median home
44501 Youngstown , OH No street area — — —
44502 Youngstown , OH Standard 9,594 $31,170 $42,100
44503 Youngstown , OH Standard 938 $12,274 —
44504 Youngstown , OH Standard 5,191 $45,299 $77,500
44505 Youngstown , OH Standard 16,764 $37,538 $93,000
44506 Youngstown , OH Standard 2,096 $21,018 $23,000
44507 Youngstown , OH Standard 4,140 $29,176 $25,900
44509 Youngstown , OH Standard 10,562 $36,570 $57,900
44510 Youngstown , OH Standard 2,027 $20,000 —
44511 Youngstown , OH Standard 18,909 $56,880 $125,200
44512 Youngstown , OH Standard 32,536 $63,317 $170,700
44513 Youngstown , OH No street area — — —
44514 Youngstown , OH Standard 23,917 $79,808 $205,500
44515 Youngstown , OH Standard 27,690 $53,252 $151,400
44555 Youngstown , OH Standard 169 — —

Cite this page

zipcodes.pro. “ZIP codes starting with 445.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/445

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