How do i get in touch with portsmouth city council? City Helpdesk: Phone 023 9283 4092 – Email [email protected] Adult social care: Phone 023 9268 0810 – Email [email protected] Children’s social care and safeguarding: Phone 023 9283 9111 or 023 9268 8793 – Email [email protected] Where is the city hall in portsmouth nh? Address, Phone Number, Fax Number, and Hours for Portsmouth City Hall, a Town & City Hall, at Junkins Avenue, Portsmouth NH. View map of Portsmouth City Hall, and get driving directions from your location .How do i contact university of portsmouth? University of Portsmouth. University House. Winston Churchill Avenue. Portsmouth. Hampshire. PO1 2UP. Telephone: +44 (0)23 9284 8484 (switchboard) Email: [email protected]. How do i contact housing development in portsmouth? Housing development: Phone 023 9283 4954 – Email [email protected] Housing options: Phone 023 9283 4989 – Email [email protected]