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/541

ZIP codes starting with 541

ZIP codes
56
States
WI
Largest city
De Pere, WI
Population
269,206

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 541xx

ZIP codes starting with 541
ZIP City Type Population Median income Median home
54101 Abrams , WI Standard 2,998 $94,500 $304,100
54102 Amberg , WI Standard 763 $41,917 $142,600
54103 Armstrong Creek , WI Standard 535 $57,604 $183,200
54104 Athelstane , WI Standard 1,027 $56,286 $171,300
54106 Black Creek , WI Standard 4,990 $97,500 $277,800
54107 Bonduel , WI Standard 3,713 $79,815 $210,700
54110 Brillion , WI Standard 5,591 $73,685 $223,900
54111 Cecil , WI Standard 1,951 $67,396 $248,200
54112 Coleman , WI Standard 2,716 $71,141 $186,000
54113 Combined Locks , WI Standard 3,622 $93,490 $246,000
54114 Crivitz , WI Standard 5,926 $59,217 $180,200
54115 De Pere , WI Standard 50,411 $94,721 $339,500
54119 Dunbar , WI Standard 715 $54,375 $159,700
54120 Fence , WI Standard 213 $53,906 $168,100
54121 Florence , WI Standard 3,257 $58,750 $189,600
54123 Forest Junction , WI Standard 204 $58,750 —
54124 Gillett , WI Standard 3,414 $60,703 $143,400
54125 Goodman , WI Standard 430 $46,429 $100,000
54126 Greenleaf , WI Standard 4,233 $99,310 $283,900
54127 Green Valley , WI Standard 37 $113,750 $146,900
54128 Gresham , WI Standard 2,082 $63,661 $152,700
54129 Hilbert , WI Standard 3,222 $67,381 $279,700
54130 Kaukauna , WI Standard 28,380 $89,131 $260,600
54131 Freedom , WI No street area — — —
54135 Keshena , WI Standard 3,018 $65,652 $136,500
54136 Kimberly , WI Standard 7,019 $69,495 $220,700
54137 Krakow , WI Standard 1,087 $85,714 $240,600
54138 Lakewood , WI Standard 787 $67,000 $234,200
54139 Lena , WI Standard 3,130 $78,013 $209,800
54140 Little Chute , WI Standard 8,035 $82,472 $227,000
54141 Little Suamico , WI Standard 2,861 $101,553 $288,400
54143 Marinette , WI Standard 15,119 $64,491 $142,900
54149 Mountain , WI Standard 1,210 $50,250 $207,500
54150 Neopit , WI Standard 1,024 $54,464 $66,800
54151 Niagara , WI Standard 3,411 $69,511 $140,100
54152 Nichols , WI Standard 253 $56,607 $158,300
54153 Oconto , WI Standard 7,551 $70,684 $174,500
54154 Oconto Falls , WI Standard 5,741 $59,767 $200,900
54155 Oneida , WI Standard 7,418 $99,597 $389,700
54156 Pembine , WI Standard 1,502 $49,625 $129,300
54157 Peshtigo , WI Standard 5,951 $70,469 $164,600
54159 Porterfield , WI Standard 1,381 $69,375 $186,100
54160 Potter , WI Standard 221 $68,750 $177,100
54161 Pound , WI Standard 2,595 $68,415 $190,500
54162 Pulaski , WI Standard 9,596 $80,594 $265,000
54165 Seymour , WI Standard 7,786 $87,048 $247,000
54166 Shawano , WI Standard 16,940 $62,791 $190,800
54169 Sherwood , WI Standard 3,252 $109,524 $351,200
54170 Shiocton , WI Standard 3,898 $78,889 $232,100
54171 Sobieski , WI Standard 4,024 $113,698 $349,100
54173 Suamico , WI Standard 3,403 $107,708 $341,400
54174 Suring , WI Standard 3,171 $69,878 $187,700
54175 Townsend , WI Standard 1,101 $87,614 $270,500
54177 Wausaukee , WI Standard 2,913 $62,991 $166,800
54180 Wrightstown , WI Standard 3,378 $94,375 $286,200
54182 Zachow , WI No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 541.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/541

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