ZIP code 57633
Where is ZIP code 57633?
Isabel, South Dakota
Dewey County · Standard ZIP code
ZIP code 57633 belongs to Isabel, South Dakota in Dewey County. 57633 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time zone and uses area code 605. About 445 people live in the 57633 area, where the median household income is $78,750. The closest ZIP codes are 57656 (Timber Lake, 19.6 mi east), 57641 (Mc Intosh, 21.9 mi north) and 57630 (Glencross, 25.3 mi east).
| ZIP code | 57633 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Isabel |
| Also accepted | Firesteel |
| State | South Dakota (SD) |
| County | Dewey County |
| Time zone | Mountain Time · now |
| Area code | 605 |
| Coordinates | 45.3962, -101.4385 map |
| 3-digit prefix | 576 |
Population and income in 57633
| Population | 445 · lower than 59% of South Dakota ZIP codes |
|---|---|
| People per square mile | 1 · lower than 89% of South Dakota ZIP codes |
| Median age | 36.5 years · lower than 72% of South Dakota ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $78,750 · higher than 60% of South Dakota ZIP codes |
| Income per person | $37,567 |
| Below the poverty line | 7.6% |
| Bachelor’s degree or higher | 21% of adults 25+ |
| Median home value | $70,000 · lower than 93% of South Dakota ZIP codes |
| Median rent | $818 a month |
| Housing units | 209 |
| Households | 183 (2.43 people on average) |
| Owners / renters | 77% / 24% |
| Land area | 812.64 sq mi (plus 2.72 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 57633. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 57633
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 57656 | Timber Lake, SD | 19.6 mi E | Standard |
| 57641 | Mc Intosh, SD | 21.9 mi N | Standard |
| 57630 | Glencross, SD | 25.3 mi E | Standard |
| 57636 | Lantry, SD | 26.4 mi S | PO Box only |
| 57661 | Whitehorse, SD | 28.2 mi E | PO Box only |
| 57623 | Dupree, SD | 28.5 mi S | Standard |
| 57625 | Eagle Butte, SD | 29 mi S | Standard |
| 57642 | Mc Laughlin, SD | 29.6 mi NE | Standard |
| 57621 | Bullhead, SD | 30.8 mi NE | PO Box only |
| 57634 | Keldron, SD | 32.7 mi NW | Standard |
| 57657 | Trail City, SD | 35 mi E | Standard |
| 57639 | Little Eagle, SD | 36.3 mi NE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 57633 or measure the distance to another ZIP code.
How to address mail to 57633
123 MAIN ST
ISABEL SD 57633
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts FIRESTEEL as the city name for 57633. Avoid Lightcap: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (57633-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 57633?
- 57633 is a Isabel, South Dakota ZIP code. Firesteel is also accepted as the city name.
- What county is 57633 in?
- ZIP code 57633 is in Dewey County, South Dakota.
- What time zone is ZIP code 57633 in?
- 57633 is in the Mountain Time zone (America/Denver).
- What area code is 57633?
- Phone numbers in ZIP code 57633 use area code 605.
- What is the population of ZIP code 57633?
- About 445 people live in ZIP code 57633, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 57633?
- The median household income in 57633 is $78,750 a year, higher than 60% of South Dakota ZIP codes.
- What ZIP codes are near 57633?
- The nearest ZIP codes to 57633 are 57656 (Timber Lake, 19.6 miles), 57641 (Mc Intosh, 21.9 miles), 57630 (Glencross, 25.3 miles) and 57636 (Lantry, 26.4 miles).