Area Code +351-258-(400000...409999) 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 : 400000 Subscriber Number To : 409999 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 : ZON TV CABO PORTUGAL, 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-(370000...379999) next › : +351-258-(450000...459999) Dialling Instructions For trunk calls: - 258 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 258 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 409999 (Count: 10,000) Example: +351-258-400000 / 00351-258-400000 (258-400000 / -258-400000) +351-258-400001 / 00351-258-400001 (258-400001 / -258-400001) +351-258-400002 / 00351-258-400002 (258-400002 / -258-400002) +351-258-400003 / 00351-258-400003 (258-400003 / -258-400003) +351-258-400004 / 00351-258-400004 (258-400004 / -258-400004) ...+351-258-xxxxxx / 00351-258-xxxxxx (258-xxxxxx / -258-xxxxxx) ...+351-258-409995 / 00351-258-409995 (258-409995 / -258-409995) +351-258-409996 / 00351-258-409996 (258-409996 / -258-409996) +351-258-409997 / 00351-258-409997 (258-409997 / -258-409997) +351-258-409998 / 00351-258-409998 (258-409998 / -258-409998) +351-258-409999 / 00351-258-409999 (258-409999 / -258-409999)