ZIP Code 37820

37820 is one of Tennessee's ZIP codes, delivering to addresses in New Market, Jefferson County.

City: New Market
County: Jefferson County
State: Tennessee
Prefix: 378xx

Where this code sits

37820 is part of the 378xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to New Market.

New Market Tennessee ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37820 delivers to without sharing its boundary.

865 Area code 865

ZIP codes nearest 37820

The ZIP codes whose reference points sit closest to 37820.
ZIP code	Distance	Delivers to
ZIP code 37871	5.1 mi	Strawberry Plains, TN
ZIP code 37760	5.4 mi	Jefferson City, TN
ZIP code 37764	8.0 mi	Kodak, TN
ZIP code 37709	8.2 mi	Blaine, TN
ZIP code 37806	9.7 mi	Mascot, TN
ZIP code 37725	9.8 mi	Dandridge, TN
ZIP code 37877	10 mi	Talbott, TN
ZIP code 37861	12 mi	Rutledge, TN

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 37820, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 37820. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.