Helsinki City Planning Department
Strategic Urban Planning Division
Town Planning Division
Administrative division

Mailing address:
P.O.Box 2100
FIN-00099 CITY OF HELSINKI
FINLAND
kaupunkisuunnittelu(a)hel.fi (unofficial feedback etc.)

Calling address: 
Kansakoulukatu 3
FIN-Helsinki 10

Phone  +358-9-310 1673 (Switchboard)
Fax  +358-9-310 37409 Helsinki City Planning Department

Opening hours: Mon–Fri 8.15–16

Registrar´s Office 
–  Official matters: initiatives, applications, opinions, tenders etc.
City of Helsinki Registry
City Planning Department 
P.O.Box 10
FIN-00099 CITY OF HELSINKI
FINLAND
City Hall, Pohjoisesplanadi 11–13, Helsinki 17
Phone +358-9-310 13701, Fax  +358-9-655 783
helsinki.kirjaamo(a)hel.fi
Opening hours

Information and exhibition space Laituri
P.O. Box 2103, FI-00099 CITY OF HELSINKI
Phone +358-9-310 37390
laituri(a)hel.fi
laituri.hel.fi
Opening hours: Tue–Fri 10–18, Sat 12–16
Free entrance

Transportation and Traffic Planning Division
Mailing address:
P.O.Box 2100
FIN-00099 CITY OF HELSINKI
FINLAND
kaupunkisuunnittelu(a)hel.fi (unofficial feedback etc.)

Calling address: 
Kansakoulukatu 1 A, FIN-Helsinki 10

Phone +358-9-310 1673 (Switchboard)
Fax  +358-9-310 37170

E-mail addresses
Most of the e-mail addresses follow this pattern:
first name.last name@hel.fi.