ZIP Code 37618

37618 is one of Tennessee's ZIP codes, delivering to addresses in Bluff City, Sullivan County.

City: Bluff City
County: Sullivan County
State: Tennessee
Prefix: 376xx

Where this code sits

37618 is part of the 376xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bluff City.

Bluff City Tennessee ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37618 delivers to without sharing its boundary.

ZIP codes nearest 37618

The ZIP codes whose reference points sit closest to 37618.
ZIP code	Distance	Delivers to
ZIP code 37621	2.4 mi	Bristol, TN
ZIP code 37699	5.5 mi	Piney Flats, TN
ZIP code 37686	5.8 mi	Piney Flats, TN
ZIP code 37620	7.0 mi	Bristol, TN
ZIP code 37694	7.6 mi	Watauga, TN
ZIP code 37617	8.2 mi	Blountville, TN
ZIP code 37625	8.5 mi	Bristol, TN
ZIP code 24203	8.6 mi	Bristol, VA

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 37618, plotted from its record coordinates.

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

Scope ZIP code 37618. 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.