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County ZIP codes · Tennessee · FIPS 47067

Hancock County, TN ZIP Codes

Hancock County, Tennessee has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Hancock County and 3 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $39,331 in 37869 (Sneedville) to $47,864 in 37879 (Tazewell) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Hancock County?

37731 · Eidson: $53k37765 · Kyles Ford: $23k37869 · Sneedville: $39k37879 · Tazewell: $48k37881 · Thorn Hill: $37k378793786937881377313776537731 · Eidson: $53k37765 · Kyles Ford: $23k37869 · Sneedville: $39k37879 · Tazewell: $48k37881 · Thorn Hill: $37k378793786937881377313776537731 · Eidson: $53k37765 · Kyles Ford: $23k37869 · Sneedville: $39k37879 · Tazewell: $48k37881 · Thorn Hill: $37k37879378693788137731
The residential ZIP codes of Hancock County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 5 postal town names: Tazewell, Sneedville, Thorn Hill, Eidson, Kyles Ford.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 5 residential ZIP codes in Hancock County

2 ZIP codes lie mainly in Hancock County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Hancock County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
37869 Sneedville 5,271 40 $39k $160k 88%
37765 Kyles Ford 370 19 $23k $88k 100%

Partly in Hancock County

Residential ZIP codes mainly in another county that reach at least 1% into Hancock County, by their share here
In this county
37731 Eidson 564 11 $53k – 49%
37881 Thorn Hill 1,677 23 $37k $112k 36%
37879 Tazewell 11,854 68 $48k $154k 20%

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

4 ZIP codes of Hancock County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Hancock County and in the neighboring counties
ZIPIn HancockElsewhere
3787920%Claiborne County 80%
3786988%Hawkins County 7%; Claiborne County 5%
3788136%Grainger County 56%; Hawkins County 7%
3773149%Hawkins County 51%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Hancock County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Hancock County's ZIP codes use 2 prefixes: 377 and 378.

Three-digit prefixes of Hancock County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Hancock County's
PrefixSectional centerHereAll codes
377 Knoxville, TN (SCF 377) 2 53
378 Knoxville, TN (SCF 377) 3 67

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.