Area Code +351-21-(1020000...1029999) 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 : 1020000 Subscriber Number To : 1029999 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 : REFER TELECOM – SERVIÇOS DE TELECOMUNICAÇÕES, S.A. 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-(0990000...0999999) next › : +351-21-(1060000...1069999) Dialling Instructions For trunk calls: - 21 1020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 1020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1020000 ~ 1029999 (Count: 10,000) Example: +351-21-1020000 / 00351-21-1020000 (21-1020000 / -21-1020000) +351-21-1020001 / 00351-21-1020001 (21-1020001 / -21-1020001) +351-21-1020002 / 00351-21-1020002 (21-1020002 / -21-1020002) +351-21-1020003 / 00351-21-1020003 (21-1020003 / -21-1020003) +351-21-1020004 / 00351-21-1020004 (21-1020004 / -21-1020004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-1029995 / 00351-21-1029995 (21-1029995 / -21-1029995) +351-21-1029996 / 00351-21-1029996 (21-1029996 / -21-1029996) +351-21-1029997 / 00351-21-1029997 (21-1029997 / -21-1029997) +351-21-1029998 / 00351-21-1029998 (21-1029998 / -21-1029998) +351-21-1029999 / 00351-21-1029999 (21-1029999 / -21-1029999)