Area Code +351-258-(500000...509999) 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 : 500000 Subscriber Number To : 509999 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-(480000...489999) next › : +351-258-(510000...519999) Dialling Instructions For trunk calls: - 258 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 258 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +351-258-500000 / 00351-258-500000 (258-500000 / -258-500000) +351-258-500001 / 00351-258-500001 (258-500001 / -258-500001) +351-258-500002 / 00351-258-500002 (258-500002 / -258-500002) +351-258-500003 / 00351-258-500003 (258-500003 / -258-500003) +351-258-500004 / 00351-258-500004 (258-500004 / -258-500004) ...+351-258-xxxxxx / 00351-258-xxxxxx (258-xxxxxx / -258-xxxxxx) ...+351-258-509995 / 00351-258-509995 (258-509995 / -258-509995) +351-258-509996 / 00351-258-509996 (258-509996 / -258-509996) +351-258-509997 / 00351-258-509997 (258-509997 / -258-509997) +351-258-509998 / 00351-258-509998 (258-509998 / -258-509998) +351-258-509999 / 00351-258-509999 (258-509999 / -258-509999)