73 Main St New Castle, NH 03854
Phone: 603-436-3485
| Post Office Lobby Hours | |
|---|---|
| Monday | 6:30am - 5:00pm |
| Tuesday | 6:30am - 5:00pm |
| Wednesday | 6:30am - 5:00pm |
| Thursday | 6:30am - 5:00pm |
| Friday | 6:30am - 5:00pm |
| Saturday | 6:30am - 12:00pm |
| Sunday | Closed |
Mailboxes in New Castle
Postage Stamps in New Castle
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New Castle Post Office is a United States Postal Service (USPS) facility in New Castle, NH. This post office offers a full array of services, including package delivery and first class mail.