Area Code +351-256-(330000...339999) located in Sao Joao da Madeira, Aveiro (01), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 256 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 : 01 Region Name : Aveiro City : Sao Joao da Madeira Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.9000 Longitude : -8.4900 ‹ previous : +351-256-(310000...319999) next › : +351-256-(360000...369999) Dialling Instructions For trunk calls: - 256 330000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 256 330000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 330000 ~ 339999 (Count: 10,000) Example: +351-256-330000 / 00351-256-330000 (256-330000 / -256-330000) +351-256-330001 / 00351-256-330001 (256-330001 / -256-330001) +351-256-330002 / 00351-256-330002 (256-330002 / -256-330002) +351-256-330003 / 00351-256-330003 (256-330003 / -256-330003) +351-256-330004 / 00351-256-330004 (256-330004 / -256-330004) ...+351-256-xxxxxx / 00351-256-xxxxxx (256-xxxxxx / -256-xxxxxx) ...+351-256-339995 / 00351-256-339995 (256-339995 / -256-339995) +351-256-339996 / 00351-256-339996 (256-339996 / -256-339996) +351-256-339997 / 00351-256-339997 (256-339997 / -256-339997) +351-256-339998 / 00351-256-339998 (256-339998 / -256-339998) +351-256-339999 / 00351-256-339999 (256-339999 / -256-339999)