Area Code +351-309-(400000...409999) located in VoIP, more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 309 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 : +351-309-(300000...309999) next › : +351-309-(700000...709999) Dialling Instructions For trunk calls: - 309 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 309 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 409999 (Count: 10,000) Example: +351-309-400000 / 00351-309-400000 (309-400000 / -309-400000) +351-309-400001 / 00351-309-400001 (309-400001 / -309-400001) +351-309-400002 / 00351-309-400002 (309-400002 / -309-400002) +351-309-400003 / 00351-309-400003 (309-400003 / -309-400003) +351-309-400004 / 00351-309-400004 (309-400004 / -309-400004) ...+351-309-xxxxxx / 00351-309-xxxxxx (309-xxxxxx / -309-xxxxxx) ...+351-309-409995 / 00351-309-409995 (309-409995 / -309-409995) +351-309-409996 / 00351-309-409996 (309-409996 / -309-409996) +351-309-409997 / 00351-309-409997 (309-409997 / -309-409997) +351-309-409998 / 00351-309-409998 (309-409998 / -309-409998) +351-309-409999 / 00351-309-409999 (309-409999 / -309-409999)