Find the last 4 digits (ZIP+4) for an address in 37656

ZIP 37656, Fall Branch, TN is filled in. Just type the street address.

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ZIP Code 37656 – Fall Branch, TN

Fall Branch, Tennessee · Washington County · Eastern time

ZIP code37656
CityFall Branch
StateTennessee
CountyWashington CountyGreene CountySullivan County
Population3,849
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area29.11 sq mi
Center (lat, long)36.4000, -82.6308

Area codes in this area

865

These are the area codes that most often serve ZIP 37656 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

37663 Kingsport · 9 mi37660 Kingsport · 9.3 mi37681 Limestone · 9.8 mi37615 Johnson City · 9.9 mi37664 Kingsport · 10 mi37642 Church Hill · 10.5 mi37659 Jonesborough · 10.8 mi37662 Kingsport · 10.9 mi

About ZIP 37656

ZIP code 37656 is assigned to Fall Branch, Tennessee. It crosses 3 counties; most of its land is in Washington County. Its Census area covers about 29.11 square miles of land. The closest neighboring ZIP is 37663 (Kingsport), about 9 miles away.

Every address in 37656 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources