Area Code +351-256-(300000...309999) 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 : 300000 Subscriber Number To : 309999 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-(280000...289999) next › : +351-256-(310000...319999) Dialling Instructions For trunk calls: - 256 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 256 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +351-256-300000 / 00351-256-300000 (256-300000 / -256-300000) +351-256-300001 / 00351-256-300001 (256-300001 / -256-300001) +351-256-300002 / 00351-256-300002 (256-300002 / -256-300002) +351-256-300003 / 00351-256-300003 (256-300003 / -256-300003) +351-256-300004 / 00351-256-300004 (256-300004 / -256-300004) ...+351-256-xxxxxx / 00351-256-xxxxxx (256-xxxxxx / -256-xxxxxx) ...+351-256-309995 / 00351-256-309995 (256-309995 / -256-309995) +351-256-309996 / 00351-256-309996 (256-309996 / -256-309996) +351-256-309997 / 00351-256-309997 (256-309997 / -256-309997) +351-256-309998 / 00351-256-309998 (256-309998 / -256-309998) +351-256-309999 / 00351-256-309999 (256-309999 / -256-309999)