Acea Ato 5 Contacts

Telephone Numbers

To report a fault:

800 191 332

Toll-free number available 24/7 - Free from your landline and mobile phone.

For commercial services: Frosinone telephone area:

800 639 251

Toll-free number available from Monday to Friday from 8:00 a.m. to 7:00 p.m., Saturday from 8:00 a.m. to 1:00 p.m.
(except bank holidays)
Free from your landline and mobile phone.


In accordance with the Covid-19 containment measures, the help desks in Frosinone and Cassino are temporary closed. We reminds our users that they can manage water supply services from home, 24 hours a day, via contacts and the MyAcea digital platform.


Via Giacomo Leopardi, 32

Temporary closed


Via Aldo Moro, 415  

Temporary closed

Certified e-mail

For customers, authorities and suppliers to send documents and complaints.

Are you a customer of one of the other water companies in our Group?

You can find the contact details in the dedicated sections on their respective websites.

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