Area Code +351-300-(400000...409999) located in VoIP, more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 300 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) 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 : +351-300-(300000...309999) next › : +351-300-(500000...509999) Dialling Instructions For trunk calls: - 300 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 300 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 409999 (Count: 10,000) Example: +351-300-400000 / 00351-300-400000 (300-400000 / -300-400000) +351-300-400001 / 00351-300-400001 (300-400001 / -300-400001) +351-300-400002 / 00351-300-400002 (300-400002 / -300-400002) +351-300-400003 / 00351-300-400003 (300-400003 / -300-400003) +351-300-400004 / 00351-300-400004 (300-400004 / -300-400004) ...+351-300-xxxxxx / 00351-300-xxxxxx (300-xxxxxx / -300-xxxxxx) ...+351-300-409995 / 00351-300-409995 (300-409995 / -300-409995) +351-300-409996 / 00351-300-409996 (300-409996 / -300-409996) +351-300-409997 / 00351-300-409997 (300-409997 / -300-409997) +351-300-409998 / 00351-300-409998 (300-409998 / -300-409998) +351-300-409999 / 00351-300-409999 (300-409999 / -300-409999)