Area Code +39-0789-(177...177999) located in Olbia, Olbia-Tempio (OL), more detail is as below. Place International Dialing Code : 39 International Prefix : 00 National Destination Code : 0789 Subscriber Number From : 177 Subscriber Number To : 177999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Messagenet S.r.l. Click here to buy Italy Area Code Database Other Information Language Code : it (Italian) Country Number : 380 (Italy) Country Code : IT (Italy) Region Code : OL Region Name : Olbia-Tempio City : Olbia Timezone : Europe/Rome Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 40.9200 Longitude : 9.4900 ‹ previous : +39-0789-(176...176999) next › : +39-0789-(178...178999) Dialling Instructions For trunk calls: - 0789 177 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 0789 177 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 177 ~ 177999 (Count: 177,823) Example: +39-0789-000177 / 0039-0789-000177 (0789-000177 / -0789-000177) +39-0789-000178 / 0039-0789-000178 (0789-000178 / -0789-000178) +39-0789-000179 / 0039-0789-000179 (0789-000179 / -0789-000179) +39-0789-000180 / 0039-0789-000180 (0789-000180 / -0789-000180) +39-0789-000181 / 0039-0789-000181 (0789-000181 / -0789-000181) ...+39-0789-xxxxxx / 0039-0789-xxxxxx (0789-xxxxxx / -0789-xxxxxx) ...+39-0789-177995 / 0039-0789-177995 (0789-177995 / -0789-177995) +39-0789-177996 / 0039-0789-177996 (0789-177996 / -0789-177996) +39-0789-177997 / 0039-0789-177997 (0789-177997 / -0789-177997) +39-0789-177998 / 0039-0789-177998 (0789-177998 / -0789-177998) +39-0789-177999 / 0039-0789-177999 (0789-177999 / -0789-177999)