Westminster Street Home > Locations > Walpole > Westminster Street 11 Westminster StP.O. Box 517Walpole, New Hampshire 03608Census Tract 9702.00 Phone: (603) 756-2863(877) WALPOLE (Toll-free outside local area)Fax: (603) 756-9687 ATM: Walk-up Lobby Hours8:00 am – 2:00 pm Monday – Friday Schedule an Appointment