From collection Place
"During the history of the town of Great Pond, there has been only one post office.... Great Pond post office opened on 13 July 1852 and closed on 15 December 1943" ("Great Pond Postal History" at Maine Philatelic Society [https://www.mainephilatelic.org/Mainepostalhistory/HancockCounty/GreatPondpostalhistoryhome.html : accessed 12 October 2025]). The town is serviced by the USPS Aurora post office.
