Area Code +351-309-(820000...829999) located in VoIP, more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 309 Subscriber Number From : 820000 Subscriber Number To : 829999 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-(810000...819999) next › : +351-309-(830000...839999) Dialling Instructions For trunk calls: - 309 820000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 309 820000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 820000 ~ 829999 (Count: 10,000) Example: +351-309-820000 / 00351-309-820000 (309-820000 / -309-820000) +351-309-820001 / 00351-309-820001 (309-820001 / -309-820001) +351-309-820002 / 00351-309-820002 (309-820002 / -309-820002) +351-309-820003 / 00351-309-820003 (309-820003 / -309-820003) +351-309-820004 / 00351-309-820004 (309-820004 / -309-820004) ...+351-309-xxxxxx / 00351-309-xxxxxx (309-xxxxxx / -309-xxxxxx) ...+351-309-829995 / 00351-309-829995 (309-829995 / -309-829995) +351-309-829996 / 00351-309-829996 (309-829996 / -309-829996) +351-309-829997 / 00351-309-829997 (309-829997 / -309-829997) +351-309-829998 / 00351-309-829998 (309-829998 / -309-829998) +351-309-829999 / 00351-309-829999 (309-829999 / -309-829999)