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/426

ZIP codes starting with 426

ZIP codes
12
States
KY
Largest city
Monticello, KY
Population
63,194

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 426xx

ZIP codes starting with 426
ZIP City Type Population Median income Median home
42602 Albany , KY Standard 8,948 $44,375 $124,100
42603 Alpha , KY Standard 694 $53,229 $73,000
42629 Jamestown , KY Standard 5,152 $36,484 $168,100
42631 Marshes Siding , KY Standard 66 — —
42633 Monticello , KY Standard 18,606 $46,040 $138,900
42634 Parkers Lake , KY Standard 1,646 $31,250 $68,900
42635 Pine Knot , KY Standard 4,736 $24,412 $91,300
42638 Revelo , KY Standard 235 $11,595 $27,800
42642 Russell Springs , KY Standard 13,459 $52,633 $152,600
42647 Stearns , KY Standard 3,349 $31,927 $80,600
42649 Strunk , KY Standard 2,003 $38,382 $98,200
42653 Whitley City , KY Standard 4,300 $42,656 $109,200

Cite this page

zipcodes.pro. “ZIP codes starting with 426.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/426

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