South Londonderry, VT is a city located in Windham County, Vermont and has a land area of 21.15 square miles (54.78 km2). The water area for the city is 0.14 square miles or 0.36 km2. There is one unique zip code in South Londonderry, Vermont and it is 05155. The area code(s) for South Londonderry is 802.
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