Southside, Montgomery County, Tennessee

{{for|the community in Hardin County|Southside, Hardin County, Tennessee}}

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|official_name = Southside, Tennessee

|settlement_type = Unincorporated community

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|pushpin_map = Tennessee#USA

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Tennessee

|subdivision_type2 = County

|subdivision_name2 = Montgomery

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|timezone = Central (CST)

|utc_offset = -6

|timezone_DST = CDT

|utc_offset_DST = -5

|elevation_footnotes =

|elevation_m =

|elevation_ft = 597

|coordinates = {{coord|36|22|17|N|87|17|44|W|region:US-TN|display=inline,title}}

|postal_code_type = ZIP code

|postal_code = 37171

|area_code = 931

|blank_name = GNIS feature ID

|blank_info = 1270923

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Southside is an unincorporated community in Montgomery County, Tennessee, United States.{{cite gnis|1270923|Southside}} Southside is located in the southeast corner of the county, {{convert|11.5|mi|km}} south-southeast of Clarksville. Southside had a post office until it closed on October 12, 2002; it still has its own ZIP code, 37171.{{cite web|url=http://tools.usps.com/go/ZipLookupAction!input.action|title=USPS - Look Up a ZIP Code|accessdate=2012-02-15|author=United States Postal Service|year=2012}}{{cite web|title=Postmaster Finder - Post Offices by ZIP Code|url=http://webpmt.usps.gov/pmt008.cfm|publisher=United States Postal Service|accessdate=November 29, 2013}}

Historic Collinsville, a living museum of 19th-century life, is located near Southside. The Lafayette Furnace, which is listed on the National Register of Historic Places, is also near the community.{{NRISref|2010a}}