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/422

ZIP codes starting with 422

ZIP codes
36
States
KY
Largest city
Hopkinsville, KY
Population
155,581

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 422xx

ZIP codes starting with 422
ZIP City Type Population Median income Median home
42201 Aberdeen , KY No street area — — —
42202 Adairville , KY Standard 1,958 $62,656 $139,400
42204 Allensville , KY Standard 725 $61,452 $240,300
42206 Auburn , KY Standard 5,897 $66,815 $167,700
42207 Bee Spring , KY Standard 927 $45,463 $153,000
42210 Brownsville , KY Standard 4,231 $48,333 $141,800
42211 Cadiz , KY Standard 13,475 $59,804 $210,000
42214 Center , KY Standard 749 $47,188 $130,000
42215 Cerulean , KY Standard 1,319 $83,098 $201,300
42216 Clifty , KY No street area — — —
42217 Crofton , KY Standard 3,799 $65,357 $162,000
42219 Dunbar , KY No street area — — —
42220 Elkton , KY Standard 5,947 $60,965 $153,300
42221 Fairview , KY No street area — — —
42223 Fort Campbell , KY Standard 19,006 $61,598 $268,400
42232 Gracey , KY Standard 711 $90,265 $226,900
42234 Guthrie , KY Standard 2,487 $58,259 $165,300
42236 Herndon , KY Standard 931 $68,819 $118,000
42240 Hopkinsville , KY Standard 41,415 $51,534 $174,200
42241 Hopkinsville , KY No street area — — —
42252 Jetson , KY Standard 53 — —
42254 La Fayette , KY Standard 227 $47,250 $99,000
42256 Lewisburg , KY Standard 5,124 $58,794 $140,400
42259 Mammoth Cave , KY Standard 1,090 $33,566 $148,100
42261 Morgantown , KY Standard 9,641 $52,953 $112,900
42262 Oak Grove , KY Standard 9,665 $51,975 $157,000
42265 Olmstead , KY Standard 641 — $369,100
42266 Pembroke , KY Standard 2,956 $71,250 $230,200
42273 Rochester , KY Standard 519 $59,745 —
42274 Rockfield , KY Standard 2,157 $80,704 $182,100
42275 Roundhill , KY Standard 855 $45,391 $180,700
42276 Russellville , KY Standard 16,044 $57,144 $166,600
42280 Sharon Grove , KY Standard 338 — $112,100
42285 Sweeden , KY Standard 531 $53,500 $176,300
42286 Trenton , KY Standard 2,163 $65,938 $276,200
42288 Woodbury , KY No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 422.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/422

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