Waterville Valley Pony Expretn Po Box 530 Waterville Valley, NH 03215 Phone : (603) 236-8414 Business Category Miscellaneous Personal Services Mail Receiving & Forwarding Service Post Office - Waterville Valley 6 Village Rd Unit 1 Waterville Valley, NH 03215 Phone : (603) 236-8414 Business Category Post Offices Toll-Free           (800) ASK-USPS