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/833

ZIP codes starting with 833

ZIP codes
39
States
ID
Largest city
Twin Falls, ID
Population
214,016

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 833xx

ZIP codes starting with 833
ZIP City Type Population Median income Median home
83301 Twin Falls , ID Standard 63,592 $62,647 $334,000
83302 Rogerson , ID Standard 35 $108,281 —
83303 Twin Falls , ID No street area — — —
83311 Albion , ID Standard 903 $101,167 $293,800
83312 Almo , ID Standard 278 $57,155 $435,500
83313 Bellevue , ID Standard 3,692 $74,575 $578,000
83314 Bliss , ID Standard 670 $66,771 $311,100
83316 Buhl , ID Standard 10,456 $69,593 $310,300
83318 Burley , ID Standard 19,459 $71,282 $276,500
83320 Carey , ID Standard 1,600 $57,813 $245,500
83321 Castleford , ID Standard 482 $60,000 —
83322 Corral , ID Standard 16 — —
83323 Declo , ID Standard 1,984 $60,625 $339,900
83324 Dietrich , ID Standard 851 $70,066 $270,800
83325 Eden , ID Standard 944 $76,375 $240,000
83327 Fairfield , ID Standard 1,037 $66,250 $287,900
83328 Filer , ID Standard 6,320 $70,851 $331,300
83330 Gooding , ID Standard 7,347 $60,842 $254,900
83332 Hagerman , ID Standard 2,569 $64,792 $226,200
83333 Hailey , ID Standard 12,682 $99,704 $744,200
83334 Hansen , ID Standard 2,227 $64,583 $272,800
83335 Hazelton , ID Standard 2,335 $61,053 $251,300
83336 Heyburn , ID Standard 6,075 $71,191 $298,800
83337 Hill City , ID Standard 29 — —
83338 Jerome , ID Standard 21,944 $72,072 $269,000
83340 Ketchum , ID Standard 5,325 $93,556 $958,600
83341 Kimberly , ID Standard 9,531 $99,100 $411,400
83342 Malta , ID Standard 1,231 $56,818 $224,300
83343 Minidoka , ID No street area — — —
83344 Murtaugh , ID Standard 1,234 $65,417 $425,800
83346 Oakley , ID Standard 1,451 $70,114 $268,500
83347 Paul , ID Standard 3,465 $79,643 $296,700
83348 Picabo , ID Standard 124 — $411,900
83349 Richfield , ID Standard 1,211 $70,795 $230,300
83350 Rupert , ID Standard 12,671 $61,806 $244,100
83352 Shoshone , ID Standard 3,317 $70,057 $259,500
83353 Sun Valley , ID Standard 1,450 $126,645 $952,100
83354 Sun Valley , ID Standard 10 — —
83355 Wendell , ID Standard 5,469 $65,764 $283,300

Cite this page

zipcodes.pro. “ZIP codes starting with 833.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/833

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