Sign-in or Register
Also, to REGISTER you will need the following information:
1. Valid email address
2. New 7-digit account number - use the Lookup Tool below to obtain it; it will also be on your September bill
Previous 9-digit account numbers will NOT work
3. New 6-character activation code - use the Lookup Tool below to obtain it; it will also be on your September bill
4-digit access numbers from our previous customer portal will NOT work

NOTE: Customers have experienced difficulties registering by using previous account number or activation code; these are no longer valid.
To walk you through registration, watch our tutorial video
If you have any questions or need assistance, please:
- Read the CSS Portal FAQs
- Complete our Billing Inquiry Form to contact us online
- Call Customer Service at (617) 989-7800