Lindfield Post Office will extend its opening hours when it moves to a new location on June 19.
The office will open at McColls Retail Group Ltd, in the High Street, at 1pm. Services will be provided from two tills at the shop counter. The current office will close on June 18 at 5.30pm.
Counters will open during shop hours; Monday to Friday, 6am to 5pm: Saturday, 7am to 5.30pm; and Sunday, 7am to 1pm.
The new hours mean its services will be available for an extra 32 hours a week.
Will Russell, regional manager said: “We understand how important having a Post Office is to residents in Lindfield and we are confident this new modern Post Office service will meet the needs of the local community and secure services for the future.
“This modernisation is part of a major investment programme, the largest in the history of the Post Office and marks a commitment to no more branch closure programmes.”