Area Code +351-21-(4640000...4649999) 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 : 4640000 Subscriber Number To : 4649999 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 : PT - 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-(4600000...4609999) next › : +351-21-(4650000...4659999) Dialling Instructions For trunk calls: - 21 4640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 4640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4640000 ~ 4649999 (Count: 10,000) Example: +351-21-4640000 / 00351-21-4640000 (21-4640000 / -21-4640000) +351-21-4640001 / 00351-21-4640001 (21-4640001 / -21-4640001) +351-21-4640002 / 00351-21-4640002 (21-4640002 / -21-4640002) +351-21-4640003 / 00351-21-4640003 (21-4640003 / -21-4640003) +351-21-4640004 / 00351-21-4640004 (21-4640004 / -21-4640004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-4649995 / 00351-21-4649995 (21-4649995 / -21-4649995) +351-21-4649996 / 00351-21-4649996 (21-4649996 / -21-4649996) +351-21-4649997 / 00351-21-4649997 (21-4649997 / -21-4649997) +351-21-4649998 / 00351-21-4649998 (21-4649998 / -21-4649998) +351-21-4649999 / 00351-21-4649999 (21-4649999 / -21-4649999)