Slope County, North Dakota ZIP codes
2ZIP codes
2Cities and towns
273People in ZIP areas
306, 406, 474Area codes
Slope County is in North Dakota and the Mountain Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Slope County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 58620 | Amidon | Standard | 154 | $76,875 |
| 58643 | Marmarth | Standard | 119 | $62,188 |
Cities and towns in Slope County
Area codes in Slope County
Questions
- How many ZIP codes are in Slope County, ND?
- Slope County has 2 ZIP codes.
- What cities are in Slope County?
- Slope County ZIP codes cover Amidon and Marmarth.
- What area code is Slope County, ND?
- Slope County uses area codes 306, 406, 474 and 701.
- What time zone is Slope County in?
- Slope County is in Mountain Time.
Other North Dakota counties
- Adams County
- Barnes County
- Benson County
- Billings County
- Bottineau County
- Bowman County
- Burke County
- Burleigh County
- Cass County
- Cavalier County
- Dickey County
- Divide County
- Dunn County
- Eddy County
- Emmons County
- Foster County
- Golden Valley County
- Grand Forks County
- Grant County
- Griggs County
- Hettinger County
- Kidder County
- LaMoure County
- Logan County
- McHenry County
- McIntosh County
- McKenzie County
- McLean County
- McPherson County
- Mercer County
- Morton County
- Mountrail County
- Nelson County
- Oliver County
- Pembina County
- Pierce County
- Ramsey County
- Ransom County
- Renville County
- Richland County
- Rolette County
- Sargent County
- Sheridan County
- Sioux County
- Stark County
- Steele County
- Stutsman County
- Towner County
- Traill County
- Walsh County
- Ward County
- Wells County
- Williams County