This is Acorn Lane in Sturbridge, MA 01566, not Fiskdale, MA 01518. Fiskdale is a village within Sturbridge. The boundaries are shown on Zip Code maps. Essentially, addresses East of the north/south Cedar Street are in Sturbridge 01566 . This is very important since the respective Post Offices will not deliver to a zip that is not theirs. This goes for third party Shippers that use USPS as well.