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/598

ZIP codes starting with 598

ZIP codes
53
States
MT
Largest city
Missoula, MT
Population
216,907

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 598xx

ZIP codes starting with 598
ZIP City Type Population Median income Median home
59801 Missoula , MT Standard 30,916 $58,347 $442,400
59802 Missoula , MT Standard 19,864 $67,736 $461,700
59803 Missoula , MT Standard 18,401 $111,925 $556,000
59804 Missoula , MT Standard 8,123 $76,266 $588,400
59806 Missoula , MT No street area — — —
59807 Missoula , MT No street area — — —
59808 Missoula , MT Standard 23,574 $80,239 $460,900
59812 Missoula , MT Standard 1,181 — —
59820 Alberton , MT Standard 1,834 $69,091 $367,400
59821 Arlee , MT Standard 2,994 $66,458 $375,200
59823 Bonner , MT Standard 1,931 $82,813 $474,100
59824 Charlo , MT Standard 1,526 $53,382 $317,800
59825 Clinton , MT Standard 2,434 $90,192 $369,900
59826 Condon , MT Standard 518 $52,813 $507,800
59827 Conner , MT Standard 371 $65,815 $446,700
59828 Corvallis , MT Standard 5,827 $80,294 $544,500
59829 Darby , MT Standard 2,148 $63,650 $437,900
59830 De Borgia , MT Standard 102 — $337,500
59831 Dixon , MT Standard 544 $46,406 $197,500
59832 Drummond , MT Standard 962 $64,261 $320,400
59833 Florence , MT Standard 6,316 $94,097 $551,600
59834 Frenchtown , MT Standard 2,444 $94,406 $449,500
59835 Grantsdale , MT No street area — — —
59837 Hall , MT Standard 639 $50,769 $331,900
59840 Hamilton , MT Standard 15,679 $61,752 $428,100
59841 Pinesdale , MT Standard 833 $66,875 $230,000
59842 Haugan , MT Standard 46 — —
59843 Helmville , MT Standard 251 $88,125 $296,900
59844 Heron , MT Standard 712 $43,417 $440,600
59845 Hot Springs , MT Standard 1,223 $31,970 $191,100
59846 Huson , MT Standard 1,377 $70,851 $461,200
59847 Lolo , MT Standard 6,015 $86,620 $449,600
59848 Lonepine , MT Standard 81 $37,188 $462,500
59851 Milltown , MT Standard 145 $18,883 $225,000
59853 Noxon , MT Standard 1,030 $60,417 $293,300
59854 Ovando , MT Standard 195 $74,167 $583,300
59855 Pablo , MT Standard 419 $32,688 $160,600
59856 Paradise , MT Standard 130 — —
59858 Philipsburg , MT Standard 1,494 $56,719 $380,000
59859 Plains , MT Standard 4,360 $64,846 $429,200
59860 Polson , MT Standard 11,897 $62,047 $441,500
59863 Ravalli , MT Standard 146 $78,922 —
59864 Ronan , MT Standard 7,301 $61,978 $297,700
59865 Saint Ignatius , MT Standard 3,635 $56,473 $345,300
59866 Saint Regis , MT Standard 1,161 $73,462 $343,700
59867 Saltese , MT Standard 85 — —
59868 Seeley Lake , MT Standard 1,797 $51,490 $391,600
59870 Stevensville , MT Standard 12,506 $80,325 $515,600
59871 Sula , MT Standard 289 $32,163 $457,900
59872 Superior , MT Standard 2,501 $55,926 $396,600
59873 Thompson Falls , MT Standard 2,920 $60,000 $305,900
59874 Trout Creek , MT Standard 2,266 $64,319 $540,100
59875 Victor , MT Standard 3,764 $63,036 $525,500

Cite this page

zipcodes.pro. “ZIP codes starting with 598.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/598

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