Area Code +351-258-(330000...339999) located in Viana do Castelo, Viana do Castelo (16), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 258 Subscriber Number From : 330000 Subscriber Number To : 339999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : PT - COMUNICAÇÕES, S.A. Click here to buy Portugal Area Code Database Other Information Language Code : pt (Portuguese) Country Number : 620 (Portugal) Country Code : PT (Portugal) Region Code : 16 Region Name : Viana do Castelo City : Viana do Castelo Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 41.6900 Longitude : -8.8300 ‹ previous : +351-258-(320000...329999) next › : +351-258-(350000...359999) Dialling Instructions For trunk calls: - 258 330000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 258 330000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 330000 ~ 339999 (Count: 10,000) Example: +351-258-330000 / 00351-258-330000 (258-330000 / -258-330000) +351-258-330001 / 00351-258-330001 (258-330001 / -258-330001) +351-258-330002 / 00351-258-330002 (258-330002 / -258-330002) +351-258-330003 / 00351-258-330003 (258-330003 / -258-330003) +351-258-330004 / 00351-258-330004 (258-330004 / -258-330004) ...+351-258-xxxxxx / 00351-258-xxxxxx (258-xxxxxx / -258-xxxxxx) ...+351-258-339995 / 00351-258-339995 (258-339995 / -258-339995) +351-258-339996 / 00351-258-339996 (258-339996 / -258-339996) +351-258-339997 / 00351-258-339997 (258-339997 / -258-339997) +351-258-339998 / 00351-258-339998 (258-339998 / -258-339998) +351-258-339999 / 00351-258-339999 (258-339999 / -258-339999)