Area Code +351-21-(5550000...5559999) located in Lisboa, Lisboa (11), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 21 Subscriber Number From : 5550000 Subscriber Number To : 5559999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : TRANSIT TELECOM, SOCIEDADE UNIPESSOAL, LDA. Click here to buy Portugal Area Code Database Other Information Language Code : pt (Portuguese) Country Number : 620 (Portugal) Country Code : PT (Portugal) Region Code : 11 Region Name : Lisboa City : Lisboa Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 38.7100 Longitude : -9.1400 ‹ previous : +351-21-(5080000...5089999) next › : +351-21-(6000000...6009999) Dialling Instructions For trunk calls: - 21 5550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 5550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5550000 ~ 5559999 (Count: 10,000) Example: +351-21-5550000 / 00351-21-5550000 (21-5550000 / -21-5550000) +351-21-5550001 / 00351-21-5550001 (21-5550001 / -21-5550001) +351-21-5550002 / 00351-21-5550002 (21-5550002 / -21-5550002) +351-21-5550003 / 00351-21-5550003 (21-5550003 / -21-5550003) +351-21-5550004 / 00351-21-5550004 (21-5550004 / -21-5550004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-5559995 / 00351-21-5559995 (21-5559995 / -21-5559995) +351-21-5559996 / 00351-21-5559996 (21-5559996 / -21-5559996) +351-21-5559997 / 00351-21-5559997 (21-5559997 / -21-5559997) +351-21-5559998 / 00351-21-5559998 (21-5559998 / -21-5559998) +351-21-5559999 / 00351-21-5559999 (21-5559999 / -21-5559999)