Gray lies just outside the junction between Interstate 81 and Interstate 26, the latter of which runs directly through the town. The town was founded as Gray Station, Tennessee, as it mainly served as a railway depot, the town became Gray for preferred usage.
https://en.wikipedia.org/wiki/Gray,_Tennessee
Gray is a census-designated place (CDP) in Washington County, Tennessee, United States and a rural suburb of Johnson City.
https://en.wikipedia.org/wiki/Gray,_Tennessee
It is part of the Johnson City Metropolitan Statistical Area, which is a component of the Johnson City– Kingsport – Bristol, TN-VA Combined Statistical Area – commonly known as the  Tri-Cities  region.
https://en.wikipedia.org/wiki/Gray,_Tennessee
Gray (TN state) ZIP code. ZIP code of Gray (TN) is 37615. Below you can find map of Gray, or look up other ZIP codes in Tennessee or other US states. If Gray's ZIP code is duplicated, and other places have same ZIP code number, you can use our ZIP code searcher by number 37615.
http://gray-tn.zip-codes.biz/
1 Same zip code Suburbs Jc, Johnson City. 2  Other Locations near Gray TN Colonial Heights Zip Code, Colonial Hgts, East Tn State Univ, Etsu, Fall Branch, Home Shopping Network, Jc, Johnson City, Kingsport, Mountain Home, Mtn Home, Piney Flats.
http://gray.zip-codez.com/zip-code/tn/washington/gray
Gray is located at 36°25′3″N 82°28′32″W﻿ / ﻿36.41750°N 82.47556°W﻿ / 36.41750; -82.47556 (36.417403, -82.475637). According to the United States Census Bureau, the CDP has a total area of 1.5 square miles (3.9 km 2), of which, 1.5 square miles (3.9 km 2) of it is land and 0.33% is water.
https://en.wikipedia.org/wiki/Gray,_Tennessee
52% of the 37615 zip code residents lived in the same house 5 years ago. Out of people who lived in different houses, 49% lived in this county. Out of people who lived in different counties, 50% lived in Tennessee. 90% of the 37615 zip code residents lived in the same house 1 year ago.
http://www.city-data.com/zips/37615.html
The Census Designated Place of Gray contains 0 unique zip code(s). Gray covers 1.74 square miles and with a population of 1273 has a population density of 729.6 people per square mile.
http://www.zipdatamaps.com/zipcodes-gray-tn
The Zipcode for Gray is. Gray is in Washington, Tennessee in the Mid South region of the USA. It is located about 241 miles east of TN's capital city of Nashville. City/Zip code State.
http://gray.zip-codez.com/zip-code/tn/washington/gray
The ratio of number of residents in zip code 37615 to the number of sex offenders is 627 to 1. The number of registered sex offenders compared to the number of residents in this zip code is near the state average.
http://www.city-data.com/zips/37615.html
what is the zip code for  gray tn
The zip code for Gray, Tennessee is 37615.