[google-cloud-sql-discuss] Can't connect to Postgres Google Cloud SQL via psql

I followed the steps in this guide: https://cloud.google.com/sql/docs/postgres/connect-admin-ip

When I enter

psql "sslmode=disable dbname=postgres user=postgres hostaddr=[INSTANCE_IP]"

I get 

psql: could not connect to server: Connection timed out (0x0000274C/10060)

        Is the server running on host "INSTANCE_IP" and accepting

        TCP/IP connections on port 5432?

I have white listed my IP address and added a user which I am using to connect.

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