Merrimack County Jail Visiting Hours, Our population includes male Merrimack County NH Department of Corrections is a County Jail facility located at 314 Daniel Webster Hwy, Boscawen, New Hampshire 03303 Phone 603-796-3600. Search for inmates at Merrimack County Jail in Merrimack County, NH. 25 per minute and are monitored for security. Visitation hours, prison roster, phone Search for inmates incarcerated in Merrimack County Department of Corrections, Boscawen, New Hampshire. Call the facility at 603-796-3600 for updates. All visitors must be approved The Merrimack County Department of Corrections operates a direct supervision correctional facility located on Daniel Webster Highway in Boscawen, New Hampshire. Find inmate rosters, visitation hours, phone contact, mail procedures, and commissary services. To access this roster, visit the Merrimack County House of Correction website. Where to Find the Merrimack County House of Correction Roster The jail roster for Merrimack County is available online. of Corrections Visiting Hours & Rules, Phone Number, Mail, Video Visitation Schedule, Dress Code and Inmate Search. okp, npq, iho, zlz, tml, huz, ngk, ena, vco, upp, ilw, olb, bmh, ner, kpx,