Area Code +351-21-(1970000...1979999) 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 : 1970000 Subscriber Number To : 1979999 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 : VODAFONE PORTUGAL - COMUNICAÇÕES PESSOAIS, 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-(1960000...1969999) next › : +351-21-(1980000...1989999) Dialling Instructions For trunk calls: - 21 1970000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 1970000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1970000 ~ 1979999 (Count: 10,000) Example: +351-21-1970000 / 00351-21-1970000 (21-1970000 / -21-1970000) +351-21-1970001 / 00351-21-1970001 (21-1970001 / -21-1970001) +351-21-1970002 / 00351-21-1970002 (21-1970002 / -21-1970002) +351-21-1970003 / 00351-21-1970003 (21-1970003 / -21-1970003) +351-21-1970004 / 00351-21-1970004 (21-1970004 / -21-1970004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-1979995 / 00351-21-1979995 (21-1979995 / -21-1979995) +351-21-1979996 / 00351-21-1979996 (21-1979996 / -21-1979996) +351-21-1979997 / 00351-21-1979997 (21-1979997 / -21-1979997) +351-21-1979998 / 00351-21-1979998 (21-1979998 / -21-1979998) +351-21-1979999 / 00351-21-1979999 (21-1979999 / -21-1979999)