Area Code +351-258-(010000...019999) 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 : 010000 Subscriber Number To : 019999 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 : TMN - TELECOMUNICAÇÕES MÓVEIS NACIONAIS, SA 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-(000000...009999) next › : +351-258-(020000...029999) Dialling Instructions For trunk calls: - 258 010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 258 010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 010000 ~ 019999 (Count: 10,000) Example: +351-258-010000 / 00351-258-010000 (258-010000 / -258-010000) +351-258-010001 / 00351-258-010001 (258-010001 / -258-010001) +351-258-010002 / 00351-258-010002 (258-010002 / -258-010002) +351-258-010003 / 00351-258-010003 (258-010003 / -258-010003) +351-258-010004 / 00351-258-010004 (258-010004 / -258-010004) ...+351-258-xxxxxx / 00351-258-xxxxxx (258-xxxxxx / -258-xxxxxx) ...+351-258-019995 / 00351-258-019995 (258-019995 / -258-019995) +351-258-019996 / 00351-258-019996 (258-019996 / -258-019996) +351-258-019997 / 00351-258-019997 (258-019997 / -258-019997) +351-258-019998 / 00351-258-019998 (258-019998 / -258-019998) +351-258-019999 / 00351-258-019999 (258-019999 / -258-019999)