Area Code +351-21-(1570000...1579999) 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 : 1570000 Subscriber Number To : 1579999 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 : OPTIMUS - COMUNICAÇÕES, 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-(1560000...1569999) next › : +351-21-(1580000...1589999) Dialling Instructions For trunk calls: - 21 1570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 1570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1570000 ~ 1579999 (Count: 10,000) Example: +351-21-1570000 / 00351-21-1570000 (21-1570000 / -21-1570000) +351-21-1570001 / 00351-21-1570001 (21-1570001 / -21-1570001) +351-21-1570002 / 00351-21-1570002 (21-1570002 / -21-1570002) +351-21-1570003 / 00351-21-1570003 (21-1570003 / -21-1570003) +351-21-1570004 / 00351-21-1570004 (21-1570004 / -21-1570004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-1579995 / 00351-21-1579995 (21-1579995 / -21-1579995) +351-21-1579996 / 00351-21-1579996 (21-1579996 / -21-1579996) +351-21-1579997 / 00351-21-1579997 (21-1579997 / -21-1579997) +351-21-1579998 / 00351-21-1579998 (21-1579998 / -21-1579998) +351-21-1579999 / 00351-21-1579999 (21-1579999 / -21-1579999)