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/612

ZIP codes starting with 612

ZIP codes
47
States
IL
Largest city
Moline, IL
Population
207,735

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 612xx

ZIP codes starting with 612
ZIP City Type Population Median income Median home
61201 Rock Island , IL Standard 36,766 $59,396 $125,600
61204 Rock Island , IL No street area — — —
61230 Albany , IL Standard 1,039 $62,344 $138,600
61231 Aledo , IL Standard 4,962 $70,991 $147,600
61232 Andalusia , IL Standard 1,469 $73,971 $186,100
61233 Andover , IL Standard 281 $71,667 $182,600
61234 Annawan , IL Standard 1,116 $79,688 $146,500
61235 Atkinson , IL Standard 1,283 $61,932 $132,800
61236 Barstow , IL Standard 34 $77,813 $159,400
61237 Buffalo Prairie , IL Standard 0 — —
61238 Cambridge , IL Standard 2,549 $64,583 $131,100
61239 Carbon Cliff , IL Standard 1,189 $32,177 $99,400
61240 Coal Valley , IL Standard 5,795 $113,220 $237,000
61241 Colona , IL Standard 6,587 $80,000 $165,900
61242 Cordova , IL Standard 1,135 $104,219 $218,100
61243 Deer Grove , IL Standard 155 $148,309 $172,700
61244 East Moline , IL Standard 23,308 $63,819 $139,400
61250 Erie , IL Standard 2,781 $84,688 $167,700
61251 Fenton , IL Standard 377 $79,464 $190,900
61252 Fulton , IL Standard 5,437 $59,861 $141,500
61254 Geneseo , IL Standard 12,135 $92,297 $222,700
61256 Hampton , IL Standard 1,926 $90,406 $184,900
61257 Hillsdale , IL Standard 844 $64,107 $117,200
61258 Hooppole , IL Standard 182 $44,261 $75,000
61259 Illinois City , IL Standard 1,053 $91,458 $201,100
61260 Joy , IL Standard 737 $41,645 $96,700
61261 Lyndon , IL Standard 656 $64,375 $134,100
61262 Lynn Center , IL Standard 1,197 $86,250 $244,700
61263 Matherville , IL Standard 657 $86,500 $134,800
61264 Milan , IL Standard 10,073 $78,068 $153,300
61265 Moline , IL Standard 43,748 $66,933 $147,000
61266 Moline , IL No street area — — —
61270 Morrison , IL Standard 6,912 $80,867 $164,600
61272 New Boston , IL Standard 1,437 $64,167 $145,900
61273 Orion , IL Standard 3,120 $99,032 $187,400
61274 Osco , IL Standard 197 $72,000 $128,800
61275 Port Byron , IL Standard 4,253 $108,438 $245,700
61276 Preemption , IL Standard 88 $87,750 $89,000
61277 Prophetstown , IL Standard 3,054 $70,363 $148,200
61278 Rapids City , IL Standard 678 $69,938 $219,000
61279 Reynolds , IL Standard 1,015 $87,656 $161,500
61281 Sherrard , IL Standard 2,520 $102,639 $224,000
61282 Silvis , IL Standard 8,394 $64,398 $160,100
61283 Tampico , IL Standard 1,269 $64,063 $122,300
61284 Taylor Ridge , IL Standard 2,599 $100,505 $236,900
61285 Thomson , IL Standard 2,728 $68,500 $173,100
61299 Rock Island , IL No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 612.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/612

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