First three digits · Wisconsin
ZIP Codes Starting with
66 ZIP codes start with 548, sorted at the Eau Claire, WI (SCF 547) sectional center (USPS labeling list L005, effective October 1, 2026) in Wisconsin: 62 residential ZIP codes across 9 counties and 4 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 548 mean?
The first digit, 5, is one of ten national areas (Iowa, Minnesota, Montana, North Dakota, South Dakota and Wisconsin). The first three, 548, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 548 to the Eau Claire, WI (SCF 547) facility. The last two digits pick the delivery area. By residents, the largest town names among the 548 ZIP codes are Superior, Rice Lake, Hayward, Ashland, Spooner and Barron.
The same facility sorts 2 prefixes, 121 ZIP codes in all: 547, 548.
Where are the 548 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 548
| County | ||||||
|---|---|---|---|---|---|---|
| 54801 | Spooner | Washburn County | 6,266 | 32 | $63k | $217k |
| 54805 | Almena | Barron County | 1,520 | 49 | $60k | $189k |
| 54806 | Ashland | Ashland County | 11,704 | 41 | $65k | $186k |
| 54810 | Balsam Lake | Polk County | 2,849 | 61 | $70k | $272k |
| 54812 | Barron | Barron County | 6,069 | 67 | $63k | $162k |
| 54813 | Barronett | Burnett County | 678 | 12 | $71k | $225k |
| 54814 | Bayfield | Bayfield County | 2,762 | 18 | $64k | $250k |
| 54816 | Benoit | Bayfield County | PO Box or unique | – | – | – |
| 54817 | Birchwood | Washburn County | 2,264 | 14 | $83k | $275k |
| 54818 | Brill | Barron County | PO Box or unique | – | – | – |
| 54819 | Bruce | Rusk County | 2,612 | 17 | $57k | $163k |
| 54820 | Brule | Douglas County | 707 | 6 | $85k | $251k |
| 54821 | Cable | Bayfield County | 1,625 | 9 | $58k | $321k |
| 54822 | Cameron | Barron County | 4,670 | 102 | $70k | $236k |
| 54824 | Centuria | Polk County | 1,950 | 50 | $67k | $225k |
| 54826 | Comstock | Polk County | 922 | 20 | $95k | $267k |
| 54827 | Cornucopia | Bayfield County | 300 | 8 | $90k | $264k |
| 54828 | Couderay | Sawyer County | 546 | 8 | $53k | $249k |
| 54829 | Cumberland | Barron County | 5,446 | 38 | $67k | $246k |
| 54830 | Danbury | Burnett County | 3,526 | 10 | $67k | $267k |
| 54832 | Drummond | Bayfield County | 453 | 5 | $76k | $268k |
| 54834 | Edgewater | Sawyer County | PO Box or unique | – | – | – |
| 54835 | Exeland | Sawyer County | 933 | 6 | $55k | $203k |
| 54836 | Foxboro | Douglas County | 931 | 7 | $77k | $207k |
| 54837 | Frederic | Polk County | 3,803 | 22 | $71k | $222k |
| 54838 | Gordon | Douglas County | 1,404 | 6 | $74k | $250k |
| 54839 | Grand View | Bayfield County | 342 | 8 | $81k | $159k |
| 54840 | Grantsburg | Burnett County | 4,775 | 19 | $64k | $186k |
| 54841 | Haugen | Barron County | 284 | 569 | $76k | $144k |
| 54842 | Hawthorne | Douglas County | 267 | 55 | $89k | $264k |
| 54843 | Hayward | Sawyer County | 13,416 | 30 | $61k | $243k |
| 54844 | Herbster | Bayfield County | 243 | 4 | $63k | $266k |
| 54845 | Hertel | Burnett County | 103 | 20 | $50k | $115k |
| 54846 | High Bridge | Ashland County | 650 | 20 | $74k | $175k |
| 54847 | Iron River | Bayfield County | 2,607 | 14 | $69k | $267k |
| 54848 | Ladysmith | Rusk County | 5,832 | 31 | $57k | $154k |
| 54849 | Lake Nebagamon | Douglas County | 1,857 | 21 | $81k | $261k |
| 54850 | La Pointe | Ashland County | 321 | 4 | $71k | $279k |
| 54853 | Luck | Polk County | 3,506 | 40 | $75k | $245k |
| 54854 | Maple | Douglas County | 960 | 12 | $88k | $209k |
| 54855 | Marengo | Ashland County | 924 | 13 | $57k | $205k |
| 54856 | Mason | Bayfield County | 1,628 | 8 | $77k | $194k |
| 54857 | Mikana | Barron County | 34 | 410 | $97k | – |
| 54858 | Milltown | Polk County | 1,636 | 93 | $54k | $213k |
| 54859 | Minong | Washburn County | 2,242 | 12 | $56k | $225k |
| 54861 | Odanah | Ashland County | 122 | 93 | – | – |
| 54862 | Ojibwa | Sawyer County | 307 | 5 | $62k | $213k |
| 54864 | Poplar | Douglas County | 1,590 | 31 | $91k | $242k |
| 54865 | Port Wing | Bayfield County | 517 | 8 | $62k | $180k |
| 54867 | Radisson | Sawyer County | 517 | 14 | $42k | $121k |
| 54868 | Rice Lake | Barron County | 16,323 | 77 | $64k | $228k |
| 54870 | Sarona | Washburn County | 1,698 | 21 | $67k | $296k |
| 54871 | Shell Lake | Washburn County | 3,270 | 28 | $69k | $241k |
| 54872 | Siren | Burnett County | 2,569 | 40 | $61k | $233k |
| 54873 | Solon Springs | Douglas County | 3,056 | 12 | $88k | $253k |
| 54874 | South Range | Douglas County | 3,690 | 26 | $89k | $219k |
| 54875 | Springbrook | Washburn County | 1,335 | 12 | $57k | $173k |
| 54876 | Stone Lake | Sawyer County | 1,712 | 18 | $73k | $282k |
| 54880 | Superior | Douglas County | 30,312 | 182 | $68k | $191k |
| 54888 | Trego | Washburn County | 1,381 | 14 | $64k | $241k |
| 54889 | Turtle Lake | Polk County | 2,837 | 39 | $77k | $257k |
| 54890 | Wascott | Douglas County | PO Box or unique | – | – | – |
| 54891 | Washburn | Bayfield County | 3,297 | 48 | $71k | $209k |
| 54893 | Webster | Burnett County | 4,207 | 27 | $56k | $234k |
| 54895 | Weyerhaeuser | Rusk County | 799 | 7 | $65k | $182k |
| 54896 | Winter | Sawyer County | 1,635 | 4 | $61k | $195k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.