Area Code +351-300-(000000...009999) located in VoIP, more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 300 Subscriber Number From : 000000 Subscriber Number To : 009999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Click here to buy Portugal Area Code Database Other Information Language Code : pt (Portuguese) Country Number : 620 (Portugal) Country Code : PT (Portugal) City : VoIP Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : None Longitude : None ‹ previous : +351-296-(980000...989999) next › : +351-300-(300000...309999) Dialling Instructions For trunk calls: - 300 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 300 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 009999 (Count: 10,000) Example: +351-300-000000 / 00351-300-000000 (300-000000 / -300-000000) +351-300-000001 / 00351-300-000001 (300-000001 / -300-000001) +351-300-000002 / 00351-300-000002 (300-000002 / -300-000002) +351-300-000003 / 00351-300-000003 (300-000003 / -300-000003) +351-300-000004 / 00351-300-000004 (300-000004 / -300-000004) ...+351-300-xxxxxx / 00351-300-xxxxxx (300-xxxxxx / -300-xxxxxx) ...+351-300-009995 / 00351-300-009995 (300-009995 / -300-009995) +351-300-009996 / 00351-300-009996 (300-009996 / -300-009996) +351-300-009997 / 00351-300-009997 (300-009997 / -300-009997) +351-300-009998 / 00351-300-009998 (300-009998 / -300-009998) +351-300-009999 / 00351-300-009999 (300-009999 / -300-009999)