Area Code +351-258-(100000...109999) 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 : 100000 Subscriber Number To : 109999 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 : OPTIMUS - 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-(090000...099999) next › : +351-258-(110000...119999) Dialling Instructions For trunk calls: - 258 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 258 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +351-258-100000 / 00351-258-100000 (258-100000 / -258-100000) +351-258-100001 / 00351-258-100001 (258-100001 / -258-100001) +351-258-100002 / 00351-258-100002 (258-100002 / -258-100002) +351-258-100003 / 00351-258-100003 (258-100003 / -258-100003) +351-258-100004 / 00351-258-100004 (258-100004 / -258-100004) ...+351-258-xxxxxx / 00351-258-xxxxxx (258-xxxxxx / -258-xxxxxx) ...+351-258-109995 / 00351-258-109995 (258-109995 / -258-109995) +351-258-109996 / 00351-258-109996 (258-109996 / -258-109996) +351-258-109997 / 00351-258-109997 (258-109997 / -258-109997) +351-258-109998 / 00351-258-109998 (258-109998 / -258-109998) +351-258-109999 / 00351-258-109999 (258-109999 / -258-109999)