We inform you that the telephone service operates every day from 7.00 a.m. to 11.00 p.m.

The telephone fault reporting service operates 24 hours a day, all year round.

  • Main Offices
    127 Egnatia st., 54635
    Customer points of service
    Aggelaki 6, 54621
    26 Oktovriou 26, 54627
    Thessaloniki, Greece
  • Tel. 2310 966600
    for faults call 11124 *
  • Fax. 2310 969400
  • Everyday
    07:30 ― 14:00

* The cost of calling 11124 depends on the tariff policy of your telecommunications provider. In any case, calls to 11124 are not additional charge calls.

Information about the cost of calling 11124 is available at the Telecommunications and Postal Products Retail Price Observatory of EETT at the link:

If you wish to contact / get inform about customer service issues please click here.

Please check first if the reason you wish to contact us is answered in the FAQs section before submitting the contact form.

If you wish to declare a fault please complete the Fault Declaration Form.

If you wish to submit an online application please visit the Online Applications Page.

If you are a partner / 3rd party  please visit the Contact Form for Partners and Third Parties

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