| Zip Code | Area Code | City | County | Centroid | Other Information |
| 54971 | 920 | Ripon | Fond du Lac | (43.8449, -88.8404) | Observes Daylight Savings Time |
| 54968 | 920 | Princeton | Green Lake | (43.8533, -89.1292) | Observes Daylight Savings Time |
| 53931 | 920 | Fairwater | Fond du Lac | (43.7437, -88.8664) | Observes Daylight Savings Time |
| 54923 | 920 | Berlin | Green Lake | (43.9695, -88.9496) | Observes Daylight Savings Time |
| 53946 | 920 | Markesan | Green Lake | (43.7108, -89.0025) | Observes Daylight Savings Time |
| 53947 | 920 | Marquette | Green Lake | (43.7477, -89.1412) | Observes Daylight Savings Time |
| 53919 | 920 | Brandon | Fond du Lac | (43.7325, -88.7841) | Observes Daylight Savings Time |
| 53939 | 920 | Kingston | Green Lake | (43.694, -89.1253) | Observes Daylight Savings Time |
| 54934 | 920 | Eureka | Winnebago | (44.0037, -88.8395) | Observes Daylight Savings Time |
| 54964 | 920 | Pickett | Winnebago | (43.9313, -88.713) | Observes Daylight Savings Time |
| 54980 | 920 | Waukau | Winnebago | (43.9894, -88.7725) | Observes Daylight Savings Time |
| 54974 | 920 | Rosendale | Fond du Lac | (43.8096, -88.6715) | Observes Daylight Savings Time |
| 54970 | 920 | Redgranite | Waushara | (44.0484, -89.0849) | Observes Daylight Savings Time |
| 54932 | 920 | Eldorado | Fond du Lac | (43.8477, -88.6475) | Observes Daylight Savings Time |
| 54960 | 920 | Neshkoro | Marquette | (43.9352, -89.2573) | Observes Daylight Savings Time |
| 53926 | 608 | Dalton | Green Lake | (43.6555, -89.2043) | Observes Daylight Savings Time |
| 54963 | 920 | Omro | Winnebago | (44.0436, -88.7604) | Observes Daylight Savings Time |
| 53935 | 920 | Friesland | Columbia | (43.5885, -89.0662) | Observes Daylight Savings Time |
| 53949 | 608 | Montello | Marquette | (43.7937, -89.3275) | Observes Daylight Savings Time |
| 54902 | 920 | Oshkosh | Winnebago | (43.9969, -88.6691) | Observes Daylight Savings Time |
| 53963 | 920 | Waupun | Dodge | (43.6283, -88.7356) | Observes Daylight Savings Time |
| 53933 | 920 | Fox Lake | Dodge | (43.564, -88.9124) | Observes Daylight Savings Time |
| 54967 | 920 | Poy Sippi | Waushara | (44.1217, -88.9259) | Observes Daylight Savings Time |
| 53956 | 920 | Randolph | Dodge | (43.5407, -89.0023) | Observes Daylight Savings Time |
| 53957 | 920 | Randolph | Columbia | (43.5384, -89.0072) | Observes Daylight Savings Time |