CHILD SUPPORT ENFORCEMENT UNIT | NH DEPARTMENT OF HEALTH AND HUMAN SERVICES
19 Rye Street, Portsmouth, NH 03801-9937
Eligibility
Resident
Hours
Mon. - Fri., 8 am - 4 pm
8442753447
Voice·
Toll Free | Customer Service Center
6033329120
Voice·
Service/Intake | Local office
8007352964
Voice·
TTY/TDD Relay Access
8008625300
Voice·
Toll Free | Local office
6034310731
Fax·
Fax
Application process
Call ahead
Fees
No fee
Service area
Brentwood, New Hampshire
Candia, New Hampshire
Deerfield, New Hampshire
East Kingston, New Hampshire
Epping, New Hampshire
Exeter, New Hampshire
Fremont, New Hampshire
Greenland, New Hampshire
Hampton, New Hampshire
Hampton Falls, New Hampshire
Kensington, New Hampshire
Kingston, New Hampshire
New Castle, New Hampshire
Newfields, New Hampshire
Newington, New Hampshire
Newmarket, New Hampshire
North Hampton, New Hampshire
Northwood, New Hampshire
Nottingham, New Hampshire
Portsmouth, New Hampshire
Raymond, New Hampshire
Rye, New Hampshire
Rye Beach, New Hampshire
Seabrook, New Hampshire
South Hampton, New Hampshire
Stratham, New Hampshire
Local child support enforcement and establishment unit
For information about child support call: 800-371-8844 (automated system for checking accounts)
Paternity establishment
Support establishment
Enforcement of existing court orders
Legal number: 800-852-3345 x4429
Interstate number: 800-852-3345 x4431
Concord Customer Service number 271-4427
*Note: Child Support Enforcement will not accept tips or info via email and it must be mailed to:
Child Support
129 Pleasant St.
Concord NH 03301
Last assured
06/02/2025
Providing organization
NH DEPARTMENT OF HEALTH AND HUMAN SERVICES
DHHS is responsible for many of the regulatory, programmatic, and financial aspects of NH's health care system and plays a key role in the planning, delivery and financing of health care. It provides social and support services to families with chronically ill or disabled members and to families in crisis. DHHS also provides economic supports including child care funding, financial grants, employment support services, medical assistance, food assistance and child support services.