ZIP code 37881
Where is ZIP code 37881?
Thorn Hill, Tennessee
Grainger County · Standard ZIP code
ZIP code 37881 belongs to Thorn Hill, Tennessee in Grainger County. 37881 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 423 and 865. About 1,677 people live in the 37881 area, where the median household income is $37,443. The closest ZIP codes are 37708 (Bean Station, 5.4 mi southeast), 37811 (Mooresburg, 8.9 mi east) and 37869 (Sneedville, 11.3 mi northeast).
| ZIP code | 37881 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Thorn Hill |
| Also accepted | Treadway |
| State | Tennessee (TN) |
| County | Grainger County |
| Time zone | Eastern Time · now |
| Area codes | 423, 865 |
| Coordinates | 36.3917, -83.366 map |
| 3-digit prefix | 378 |
Population and income in 37881
| Population | 1,677 · lower than 76% of Tennessee ZIP codes |
|---|---|
| People per square mile | 23 · lower than 90% of Tennessee ZIP codes |
| Median age | 56.7 years · higher than 95% of Tennessee ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $37,443 · lower than 94% of Tennessee ZIP codes |
| Income per person | $29,590 |
| Below the poverty line | 24% |
| Bachelor’s degree or higher | 8.5% of adults 25+ |
| Median home value | $111,900 · lower than 93% of Tennessee ZIP codes |
| Median rent | $699 a month |
| Housing units | 1,106 |
| Households | 739 (2.27 people on average) |
| Owners / renters | 80% / 20% |
| Land area | 71.86 sq mi (plus 1.02 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 37881. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 37881
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 37708 | Bean Station, TN | 5.4 mi SE | Standard |
| 37811 | Mooresburg, TN | 8.9 mi E | Standard |
| 37869 | Sneedville, TN | 11.3 mi NE | Standard |
| 37879 | Tazewell, TN | 11.9 mi NW | Standard |
| 37814 | Morristown, TN | 11.9 mi S | Standard |
| 37773 | Lone Mountain, TN | 12.2 mi W | PO Box only |
| 37861 | Rutledge, TN | 12.7 mi SW | Standard |
| 37824 | New Tazewell, TN | 13.1 mi W | PO Box only |
| 37815 | Morristown, TN | 13.3 mi S | PO Box only |
| 37816 | Morristown, TN | 13.3 mi S | PO Box only |
| 37860 | Russellville, TN | 13.5 mi SE | Standard |
| 37888 | Washburn, TN | 13.9 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 37881 or measure the distance to another ZIP code.
How to address mail to 37881
123 MAIN ST
THORN HILL TN 37881
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts TREADWAY as the city name for 37881. Adding the 4-digit ZIP+4 code (37881-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 37881?
- 37881 is a Thorn Hill, Tennessee ZIP code. Treadway is also accepted as the city name.
- What county is 37881 in?
- ZIP code 37881 is in Grainger County, Tennessee.
- What time zone is ZIP code 37881 in?
- 37881 is in the Eastern Time zone (America/New_York).
- What area code is 37881?
- Phone numbers in ZIP code 37881 use area codes 423 and 865.
- What is the population of ZIP code 37881?
- About 1,677 people live in ZIP code 37881, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 37881?
- The median household income in 37881 is $37,443 a year, lower than 94% of Tennessee ZIP codes.
- What ZIP codes are near 37881?
- The nearest ZIP codes to 37881 are 37708 (Bean Station, 5.4 miles), 37811 (Mooresburg, 8.9 miles), 37869 (Sneedville, 11.3 miles) and 37879 (Tazewell, 11.9 miles).