Area Code +351-309-(830000...839999) located in VoIP, more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 309 Subscriber Number From : 830000 Subscriber Number To : 839999 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-(820000...829999) next › : +351-309-(840000...849999) Dialling Instructions For trunk calls: - 309 830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 309 830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 830000 ~ 839999 (Count: 10,000) Example: +351-309-830000 / 00351-309-830000 (309-830000 / -309-830000) +351-309-830001 / 00351-309-830001 (309-830001 / -309-830001) +351-309-830002 / 00351-309-830002 (309-830002 / -309-830002) +351-309-830003 / 00351-309-830003 (309-830003 / -309-830003) +351-309-830004 / 00351-309-830004 (309-830004 / -309-830004) ...+351-309-xxxxxx / 00351-309-xxxxxx (309-xxxxxx / -309-xxxxxx) ...+351-309-839995 / 00351-309-839995 (309-839995 / -309-839995) +351-309-839996 / 00351-309-839996 (309-839996 / -309-839996) +351-309-839997 / 00351-309-839997 (309-839997 / -309-839997) +351-309-839998 / 00351-309-839998 (309-839998 / -309-839998) +351-309-839999 / 00351-309-839999 (309-839999 / -309-839999)