Area Code +351-254-(330000...339999) located in Peso da Régua, Viseu (18), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 254 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 : 18 Region Name : Viseu City : Peso da Régua Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 41.1700 Longitude : -7.7900 ‹ previous : +351-254-(320000...329999) next › : +351-254-(400000...409999) Dialling Instructions For trunk calls: - 254 330000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 254 330000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 330000 ~ 339999 (Count: 10,000) Example: +351-254-330000 / 00351-254-330000 (254-330000 / -254-330000) +351-254-330001 / 00351-254-330001 (254-330001 / -254-330001) +351-254-330002 / 00351-254-330002 (254-330002 / -254-330002) +351-254-330003 / 00351-254-330003 (254-330003 / -254-330003) +351-254-330004 / 00351-254-330004 (254-330004 / -254-330004) ...+351-254-xxxxxx / 00351-254-xxxxxx (254-xxxxxx / -254-xxxxxx) ...+351-254-339995 / 00351-254-339995 (254-339995 / -254-339995) +351-254-339996 / 00351-254-339996 (254-339996 / -254-339996) +351-254-339997 / 00351-254-339997 (254-339997 / -254-339997) +351-254-339998 / 00351-254-339998 (254-339998 / -254-339998) +351-254-339999 / 00351-254-339999 (254-339999 / -254-339999)