Overview
Information on Great Bay’s Portsmouth and Rochester campuses, including building hours, contact information, campus locations, and maps, can be found here.
Campus Building Hours
Great Bay’s building hours for Summer 2023 are as follows:
Portsmouth Campus
Monday to Thursday
7:00am – 9:00pm*
Friday
7:00am – 4:00pm
Saturday & Sunday
Closed
*Hours for specific departments/services can be accessed below
Rochester Campus
Monday & Tuesday
9:00am – 7:00pm
Wednesday
8:00am – 5:30pm
Thursday
8:00am – 6:00pm
Friday
By appointment only
Saturday & Sunday
Closed
Directions, Maps & Contact Information
Great Bay Portsmouth
Main Campus
320 Corporate Drive
Portsmouth, NH 03801
Phone: (603) 427-7600
(800) 522-1194
Fax: (603) 334-6308
Email: [email protected]
TDD/Voice: Relay New Hampshire
(800) 735-2964 or 711
www.relaynewhampshire.com
Great Bay Rochester
Technical Skills Campus
5 Milton Road
Unit 32
Rochester, NH 03867
Phone: (603) 427-7700
(800) 522-1194
Fax: (603) 330-3001
Email: [email protected]
Additional Information
PLEASE NOTE:
• Monday to Friday the Services/Building closes after the last class is dismissed.
• Building may be open additional hours to accommodate classes already scheduled, these hours will not be posted individually.
• Building Hours reflects the hours of operation if you are actively in class or using the Study Lounge on the Rochester campus.
• These “Building Hours” are subject to change based on classes running and coverage. The security personal will ask you leave once the last class is dismissed for the evening.
• Rochester Campus doors are currently still locked at all times. Please use the buzzer to the left of the door to request access to the building.

HOLIDAYS & CLOSURES
Great Bay campuses will be CLOSED and NO CLASSES will be held on the following days:
Memorial Day
Monday, May 29th, 2023
Juneteenth
Monday, June 19th, 2023
Independence Day
Tuesday, July 4th, 2023
Labor Day
Monday, September 4th, 2023
Veterans’ Day
Friday, November 10th, 2023
Thanksgiving Holiday
Thursday, November 23rd & Friday, November 24th, 2023
Christmas Day Holiday
Monday, December 25th, 2023