Area Code +351-309-(850000...859999) located in VoIP, more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 309 Subscriber Number From : 850000 Subscriber Number To : 859999 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-(840000...849999) next › : +351-309-(860000...869999) Dialling Instructions For trunk calls: - 309 850000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 309 850000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 850000 ~ 859999 (Count: 10,000) Example: +351-309-850000 / 00351-309-850000 (309-850000 / -309-850000) +351-309-850001 / 00351-309-850001 (309-850001 / -309-850001) +351-309-850002 / 00351-309-850002 (309-850002 / -309-850002) +351-309-850003 / 00351-309-850003 (309-850003 / -309-850003) +351-309-850004 / 00351-309-850004 (309-850004 / -309-850004) ...+351-309-xxxxxx / 00351-309-xxxxxx (309-xxxxxx / -309-xxxxxx) ...+351-309-859995 / 00351-309-859995 (309-859995 / -309-859995) +351-309-859996 / 00351-309-859996 (309-859996 / -309-859996) +351-309-859997 / 00351-309-859997 (309-859997 / -309-859997) +351-309-859998 / 00351-309-859998 (309-859998 / -309-859998) +351-309-859999 / 00351-309-859999 (309-859999 / -309-859999)