Area Code +351-309-(870000...879999) located in VoIP, more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 309 Subscriber Number From : 870000 Subscriber Number To : 879999 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-(860000...869999) next › : +351-309-(880000...889999) Dialling Instructions For trunk calls: - 309 870000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 309 870000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 870000 ~ 879999 (Count: 10,000) Example: +351-309-870000 / 00351-309-870000 (309-870000 / -309-870000) +351-309-870001 / 00351-309-870001 (309-870001 / -309-870001) +351-309-870002 / 00351-309-870002 (309-870002 / -309-870002) +351-309-870003 / 00351-309-870003 (309-870003 / -309-870003) +351-309-870004 / 00351-309-870004 (309-870004 / -309-870004) ...+351-309-xxxxxx / 00351-309-xxxxxx (309-xxxxxx / -309-xxxxxx) ...+351-309-879995 / 00351-309-879995 (309-879995 / -309-879995) +351-309-879996 / 00351-309-879996 (309-879996 / -309-879996) +351-309-879997 / 00351-309-879997 (309-879997 / -309-879997) +351-309-879998 / 00351-309-879998 (309-879998 / -309-879998) +351-309-879999 / 00351-309-879999 (309-879999 / -309-879999)