Contact
Headquarters
Alameda dos Oceanos
Lt 2.11.01 E
Edifício Lisboa
Parque das Nações
1998-035 Lisboa | Portugal
T: (+351) 211 154 300*
F: (+351) 211 154 399
E: geral@oni.pt
GPS COORDINATES
N 38°45’48.8 W 9°05’46.5″
* Working days from 9am to 6 am.
Branch offices
PORTO
Rua de Gonçalo Cristovão, 347
Edifício MAPFRE – Sala 509
4000-270 Porto
T: (+351) 220 009 080*
E: geral@oni.pt
ONIMADEIRA
Rua Brigadeiro Oudinot
Edifício Oudinot – 3º, salas 301/302
9060-209 Funchal
T: (+351) 291 000 022*
E: oni.madeira@oni.pt
* Working days from 9am to 6 am.

Contacts
Customer service
T: (+351) 300 504 548
E: provedor@oni.pt
CENTRAL OF OPERATIONAL MANAGEMENT | 800 500 800
Everyday 24 hours (free)
CUSToMER support | 16 500
Working days from 09h to 19h. Free calls from all national fixed networks and mobile networks Oni or NOWO. 30 cents (VAT included), from other mobile national networks.
roAMING SUPPORT | +351 928 519 999
(from abroad).
Available 24 hours a day. Free calls at the Eurotariff zone; paid on the remain zones according to the roaming price list.
ONICARDS LINE | 707 503 334
Working days from 9h to 18h (Fixed network: €0,1/min, mobile network: €0,25/min). Taxation according to the seconds after the 1st minute).
GEneraL | +351 211 154 300
Working days from 9h to 18h.
bILLING AND LITIGATION
+351 211 154 300
Working days from 9h to 18h.