List of Allstate Stores in Portsmouth, NH Outlet Note Regular Brands Allstate New Hampshire Portsmouth Rating 4.9 based on 77 votes Official Website https://www.allstate.com/ Products Insurance Department Stores Insurance Adjusters NameAddressPhone Name/Address/Phone Allstate outlet - Portsmouth 2456 Lafayette Rd, Ste 9 (603) 433-5557 Allstate outlet - Portsmouth 401 The Hl (888) 329-3626 Allstate outlet - Portsmouth 401 The Hl (603) 436-5234 People Also Viewed