Automated Postal Center - Londonderry 86 Nashua Rd Londonderry, NH 03053 Phone : (603) 432-7194 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS Fax           (603) 437-2709 Post Office - Londonderry 86 Nashua Rd Londonderry, NH 03053 Phone : (603) 432-7194 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (603) 437-2709