Area Code +358-8-(4154...4154999999) located in Oulu, more detail is as below. Place International Dialing Code : 358 International Prefix : 00 National Prefix : 0 National Destination Code : 8 Subscriber Number From : 4154 Subscriber Number To : 4154999999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 11 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Setera Oy Click here to buy Finland Area Code Database Other Information Language Code : fi (Finnish) Country Number : 246 (Finland) Country Code : FI (Finland) Region Name : Oulu Timezone : Europe/Helsinki Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 5 Latitude : 65.0100 Longitude : 25.4700 ‹ previous : +358-8-(4153...4153999999) next › : +358-8-(4156...4156999999) Dialling Instructions For trunk calls: 0 8 4154 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 358 8 4154 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4154 ~ 4154999999 (Count: 4,154,995,846) Example: +358-8-0000004154 / 00358-8-0000004154 (08-0000004154 / 0-8-0000004154) +358-8-0000004155 / 00358-8-0000004155 (08-0000004155 / 0-8-0000004155) +358-8-0000004156 / 00358-8-0000004156 (08-0000004156 / 0-8-0000004156) +358-8-0000004157 / 00358-8-0000004157 (08-0000004157 / 0-8-0000004157) +358-8-0000004158 / 00358-8-0000004158 (08-0000004158 / 0-8-0000004158) ...+358-8-xxxxxxxxxx / 00358-8-xxxxxxxxxx (08-xxxxxxxxxx / 0-8-xxxxxxxxxx) ...+358-8-4154999995 / 00358-8-4154999995 (08-4154999995 / 0-8-4154999995) +358-8-4154999996 / 00358-8-4154999996 (08-4154999996 / 0-8-4154999996) +358-8-4154999997 / 00358-8-4154999997 (08-4154999997 / 0-8-4154999997) +358-8-4154999998 / 00358-8-4154999998 (08-4154999998 / 0-8-4154999998) +358-8-4154999999 / 00358-8-4154999999 (08-4154999999 / 0-8-4154999999)