Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Allstate Insurance Company - Portsmouth ← View details 401 The Hill/Deer St, Portsmouth, NH 03801, Portsmouth, New Hampshire 03801 (603) 436-5234