The Greenwich Ohio Post office is an very small post office that is opened 6 days a week for your postal sending needs. The Greenwich Ohio Post Office keeps there door's open 7 days a week 24 hours a day. They offer Post Office boxes that you can rent plus they offer express and priority mail shipping. It is the place to go in Greenwich Ohio for postage stamps and it also has an bulletin board were people post that latest events happening in Greenwich Ohio. The employees of the Greenwich Post Office are very friendly and very knowledgeable if you have any question they can help you find the answer. The Greenwich post Office is located on main street right on US Route 224 you wont be able to miss it. It has an ramp so people that need to use an wheelchair can get up it.