First three digits · Wisconsin
ZIP Codes Starting with
83 ZIP codes start with 530, sorted at the Milwaukee, WI (SCF 530) sectional center (USPS labeling list L005, effective October 1, 2026) in Wisconsin: 75 residential ZIP codes across 9 counties and 8 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 530 mean?
The first digit, 5, is one of ten national areas (Iowa, Minnesota, Montana, North Dakota, South Dakota and Wisconsin). The first three, 530, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 530 to the Milwaukee, WI (SCF 530) facility. The last two digits pick the delivery area. By residents, the largest town names among the 530 ZIP codes are Sheboygan, West Bend, Brookfield, Menomonee Falls, Oconomowoc and Watertown.
The same facility sorts 5 prefixes, 265 ZIP codes in all: 530, 531, 532, 534, 549.
Where are the 530 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 530
| County | ||||||
|---|---|---|---|---|---|---|
| 53001 | Adell | Sheboygan County | 1,766 | 62 | $92k | $243k |
| 53002 | Allenton | Washington County | 2,584 | 75 | $118k | $333k |
| 53003 | Ashippun | Dodge County | 130 | 788 | $62k | $193k |
| 53004 | Belgium | Ozaukee County | 3,475 | 103 | $85k | $256k |
| 53005 | Brookfield | Waukesha County | 21,675 | 1,476 | $127k | $416k |
| 53006 | Brownsville | Dodge County | 1,905 | 48 | $89k | $248k |
| 53007 | Butler | Waukesha County | 1,859 | 2,417 | $60k | $245k |
| 53008 | Brookfield | Waukesha County | PO Box or unique | – | – | – |
| 53010 | Campbellsport | Fond du Lac County | 7,444 | 71 | $95k | $307k |
| 53011 | Cascade | Sheboygan County | 2,176 | 57 | $91k | $253k |
| 53012 | Cedarburg | Ozaukee County | 19,183 | 567 | $96k | $423k |
| 53013 | Cedar Grove | Sheboygan County | 3,717 | 125 | $84k | $278k |
| 53014 | Chilton | Calumet County | 7,898 | 61 | $80k | $211k |
| 53015 | Cleveland | Manitowoc County | 2,751 | 67 | $89k | $222k |
| 53016 | Clyman | Dodge County | 360 | 586 | $70k | $183k |
| 53017 | Colgate | Washington County | 5,458 | 316 | $154k | $522k |
| 53018 | Delafield | Waukesha County | 8,201 | 731 | $125k | $521k |
| 53019 | Eden | Fond du Lac County | 1,876 | 53 | $85k | $242k |
| 53020 | Elkhart Lake | Sheboygan County | 3,431 | 55 | $89k | $331k |
| 53021 | Fredonia | Ozaukee County | 4,537 | 136 | $90k | $316k |
| 53022 | Germantown | Washington County | 20,046 | 723 | $101k | $373k |
| 53023 | Glenbeulah | Sheboygan County | 1,293 | 33 | $87k | $232k |
| 53024 | Grafton | Ozaukee County | 18,982 | 690 | $92k | $366k |
| 53026 | Greenbush | Sheboygan County | PO Box or unique | – | – | – |
| 53027 | Hartford | Washington County | 23,118 | 254 | $91k | $333k |
| 53029 | Hartland | Waukesha County | 21,778 | 579 | $108k | $479k |
| 53031 | Hingham | Sheboygan County | 105 | 2,838 | – | – |
| 53032 | Horicon | Dodge County | 4,898 | 166 | $56k | $189k |
| 53033 | Hubertus | Washington County | 6,286 | 394 | $137k | $477k |
| 53034 | Hustisford | Dodge County | 1,652 | 214 | $79k | $235k |
| 53035 | Iron Ridge | Dodge County | 2,502 | 73 | $102k | $299k |
| 53036 | Ixonia | Jefferson County | 3,730 | 130 | $93k | $352k |
| 53037 | Jackson | Washington County | 10,254 | 444 | $98k | $344k |
| 53038 | Johnson Creek | Jefferson County | 4,192 | 136 | $96k | $327k |
| 53039 | Juneau | Dodge County | 4,702 | 66 | $79k | $223k |
| 53040 | Kewaskum | Washington County | 8,630 | 137 | $96k | $326k |
| 53042 | Kiel | Manitowoc County | 6,810 | 110 | $86k | $239k |
| 53044 | Kohler | Sheboygan County | 2,326 | 414 | $131k | $387k |
| 53045 | Brookfield | Waukesha County | 23,329 | 1,618 | $124k | $458k |
| 53046 | Lannon | Waukesha County | 1,482 | 600 | $84k | $260k |
| 53047 | Lebanon | Dodge County | 85 | 213 | $47k | $295k |
| 53048 | Lomira | Dodge County | 3,420 | 127 | $75k | $240k |
| 53049 | Malone | Fond du Lac County | 2,298 | 60 | $93k | $286k |
| 53050 | Mayville | Dodge County | 7,159 | 102 | $72k | $211k |
| 53051 | Menomonee Falls | Waukesha County | 39,559 | 1,188 | $100k | $368k |
| 53052 | Menomonee Falls | Waukesha County | PO Box or unique | – | – | – |
| 53056 | Merton | Waukesha County | PO Box or unique | – | – | – |
| 53057 | Mount Calvary | Fond du Lac County | 1,882 | 60 | $106k | $238k |
| 53058 | Nashotah | Waukesha County | 3,405 | 613 | $104k | $585k |
| 53059 | Neosho | Dodge County | 1,774 | 55 | $91k | $343k |
| 53060 | Newburg | Washington County | PO Box or unique | – | – | – |
| 53061 | New Holstein | Calumet County | 5,144 | 121 | $66k | $194k |
| 53062 | New Holstein | Calumet County | PO Box or unique | – | – | – |
| 53063 | Newton | Manitowoc County | 1,578 | 40 | $100k | $257k |
| 53064 | North Lake | Waukesha County | PO Box or unique | – | – | – |
| 53065 | Oakfield | Fond du Lac County | 2,351 | 55 | $100k | $262k |
| 53066 | Oconomowoc | Waukesha County | 37,558 | 364 | $113k | $428k |
| 53069 | Okauchee | Waukesha County | 671 | 1,729 | $131k | $344k |
| 53070 | Oostburg | Sheboygan County | 4,951 | 168 | $92k | $282k |
| 53072 | Pewaukee | Waukesha County | 26,200 | 878 | $99k | $438k |
| 53073 | Plymouth | Sheboygan County | 16,136 | 191 | $76k | $259k |
| 53074 | Port Washington | Ozaukee County | 13,682 | 452 | $79k | $297k |
| 53075 | Random Lake | Sheboygan County | 3,402 | 93 | $94k | $297k |
| 53076 | Richfield | Washington County | 3,109 | 139 | $107k | $448k |
| 53078 | Rubicon | Dodge County | 1,734 | 52 | $95k | $364k |
| 53079 | Saint Cloud | Fond du Lac County | 1,420 | 39 | $87k | $260k |
| 53080 | Saukville | Ozaukee County | 5,059 | 177 | $80k | $314k |
| 53081 | Sheboygan | Sheboygan County | 43,381 | 1,861 | $64k | $180k |
| 53082 | Sheboygan | Sheboygan County | PO Box or unique | – | – | – |
| 53083 | Sheboygan | Sheboygan County | 21,579 | 664 | $75k | $245k |
| 53085 | Sheboygan Falls | Sheboygan County | 11,695 | 168 | $74k | $242k |
| 53086 | Slinger | Washington County | 9,426 | 438 | $103k | $387k |
| 53088 | Stockbridge | Calumet County | 203 | 1,318 | $58k | $184k |
| 53089 | Sussex | Waukesha County | 20,588 | 766 | $121k | $419k |
| 53090 | West Bend | Washington County | 21,625 | 374 | $86k | $283k |
| 53091 | Theresa | Dodge County | 2,123 | 83 | $83k | $208k |
| 53092 | Mequon | Ozaukee County | 20,886 | 1,029 | $128k | $473k |
| 53093 | Waldo | Sheboygan County | 2,135 | 100 | $101k | $275k |
| 53094 | Watertown | Jefferson County | 17,998 | 203 | $73k | $238k |
| 53095 | West Bend | Washington County | 27,817 | 395 | $81k | $305k |
| 53097 | Mequon | Ozaukee County | 7,683 | 284 | $136k | $500k |
| 53098 | Watertown | Dodge County | 11,353 | 112 | $74k | $254k |
| 53099 | Woodland | Dodge County | 15 | 56 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.