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County ZIP codes · Tennessee · FIPS 47129

Morgan County, TN ZIP Codes

Morgan County, Tennessee has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 9 of the residential ones lie mainly in Morgan County and 3 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $36,639 in 37852 (Robbins) to $90,691 in 37829 (Oakdale) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Morgan County?

37719 · Coalfield: –37726 · Deer Lodge: $67k37733 · Rugby: –37748 · Harriman: $65k37770 · Lancing: $48k37829 · Oakdale: $91k37840 · Oliver Springs: $76k37845 · Petros: $16k37852 · Robbins: $37k37854 · Rockwood: $56k37872 · Sunbright: $59k37887 · Wartburg: $65k37770378543785237748378873784037726378723782937719 · Coalfield: –37726 · Deer Lodge: $67k37733 · Rugby: –37748 · Harriman: $65k37770 · Lancing: $48k37829 · Oakdale: $91k37840 · Oliver Springs: $76k37845 · Petros: $16k37852 · Robbins: $37k37854 · Rockwood: $56k37872 · Sunbright: $59k37887 · Wartburg: $65k37770378543785237748378873784037726378723782937719 · Coalfield: –37726 · Deer Lodge: $67k37733 · Rugby: –37748 · Harriman: $65k37770 · Lancing: $48k37829 · Oakdale: $91k37840 · Oliver Springs: $76k37845 · Petros: $16k37852 · Robbins: $37k37854 · Rockwood: $56k37872 · Sunbright: $59k37887 · Wartburg: $65k377703785437852377483788737840377263787237829
The residential ZIP codes of Morgan 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?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $47,835 and $65,137.

They carry 12 postal town names.

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

All 12 residential ZIP codes in Morgan County

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

Residential ZIP codes mainly in Morgan County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
37840 Oliver Springs 10,004 124 $76k $204k 44%
37887 Wartburg 6,555 81 $65k $188k 100%
37770 Lancing 2,756 20 $48k $127k 100%
37726 Deer Lodge 2,556 28 $67k $178k 88%
37872 Sunbright 2,346 26 $59k $145k 86%
37829 Oakdale 1,977 45 $91k $157k 100%
37845 Petros 171 43 $16k – 100%
37719 Coalfield 45 69 – – 100%
37733 Rugby no residents 0 – – 100%

Partly in Morgan County

Residential ZIP codes mainly in another county that reach at least 1% into Morgan County, by their share here
In this county
37748 Harriman 17,575 165 $65k $197k 30%
37854 Rockwood 12,478 91 $56k $178k 13%
37852 Robbins 2,733 26 $37k $118k 9%

Download the 12 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?

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

Share of each ZIP code's land in Morgan County and in the neighboring counties
ZIPIn MorganElsewhere
3774830%Roane County 70%
3785413%Roane County 44%; Cumberland County 42%
3784044%Anderson County 37%; Roane County 19%
378529%Scott County 91%
3772688%Fentress County 12%
3787286%Scott County 14%

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

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

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

Three-digit prefixes of Morgan 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 Morgan County's
PrefixSectional centerHereAll codes
377 Knoxville, TN (SCF 377) 5 53
378 Knoxville, TN (SCF 377) 7 67

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