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/427

ZIP codes starting with 427

ZIP codes
38
States
KY
Largest city
Elizabethtown, KY
Population
190,764

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 427xx

ZIP codes starting with 427
ZIP City Type Population Median income Median home
42701 Elizabethtown , KY Standard 53,987 $69,619 $260,300
42702 Elizabethtown , KY No street area — — —
42712 Big Clifty , KY Standard 1,714 $45,870 $147,400
42713 Bonnieville , KY Standard 1,781 $60,000 $158,800
42715 Breeding , KY Standard 417 — $226,800
42716 Buffalo , KY Standard 1,659 $72,125 $188,800
42717 Burkesville , KY Standard 5,969 $42,978 $145,100
42718 Campbellsville , KY Standard 26,768 $57,243 $170,500
42719 Campbellsville , KY No street area — — —
42720 Cane Valley , KY No street area — — —
42721 Caneyville , KY Standard 4,353 $49,583 $130,700
42722 Canmer , KY Standard 596 $60,110 $65,400
42724 Cecilia , KY Standard 5,345 $73,465 $197,400
42726 Clarkson , KY Standard 4,758 $60,078 $204,200
42728 Columbia , KY Standard 16,412 $51,623 $151,300
42729 Cub Run , KY Standard 2,142 $54,706 $189,200
42732 Eastview , KY Standard 1,541 $73,148 $265,700
42733 Elk Horn , KY Standard 1,610 $81,250 $183,800
42740 Glendale , KY Standard 1,873 $88,066 $238,900
42741 Glens Fork , KY Standard 420 $78,269 $266,300
42742 Gradyville , KY Standard 72 — —
42743 Greensburg , KY Standard 9,342 $49,457 $136,400
42746 Hardyville , KY Standard 2,101 $50,000 $115,200
42748 Hodgenville , KY Standard 9,365 $65,691 $186,500
42749 Horse Cave , KY Standard 4,423 $45,500 $142,200
42753 Knifley , KY Standard 657 $54,565 $115,000
42754 Leitchfield , KY Standard 16,918 $48,737 $171,800
42755 Leitchfield , KY No street area — — —
42757 Magnolia , KY Standard 2,547 $52,467 $135,600
42758 Mannsville , KY Standard 0 — —
42759 Marrowbone , KY Standard 15 — —
42762 Millwood , KY Standard 229 — $113,000
42764 Mount Sherman , KY Standard 536 $73,929 $123,300
42765 Munfordville , KY Standard 7,149 $59,688 $143,600
42776 Sonora , KY Standard 2,082 $58,771 $192,700
42782 Summersville , KY Standard 702 $39,193 $90,000
42784 Upton , KY Standard 3,089 $68,699 $178,100
42788 White Mills , KY Standard 192 — —

Cite this page

zipcodes.pro. “ZIP codes starting with 427.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/427

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