Area Code +351-21-(4540000...4549999) 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 : 4540000 Subscriber Number To : 4549999 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-(4530000...4539999) next › : +351-21-(4560000...4569999) Dialling Instructions For trunk calls: - 21 4540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 4540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4540000 ~ 4549999 (Count: 10,000) Example: +351-21-4540000 / 00351-21-4540000 (21-4540000 / -21-4540000) +351-21-4540001 / 00351-21-4540001 (21-4540001 / -21-4540001) +351-21-4540002 / 00351-21-4540002 (21-4540002 / -21-4540002) +351-21-4540003 / 00351-21-4540003 (21-4540003 / -21-4540003) +351-21-4540004 / 00351-21-4540004 (21-4540004 / -21-4540004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-4549995 / 00351-21-4549995 (21-4549995 / -21-4549995) +351-21-4549996 / 00351-21-4549996 (21-4549996 / -21-4549996) +351-21-4549997 / 00351-21-4549997 (21-4549997 / -21-4549997) +351-21-4549998 / 00351-21-4549998 (21-4549998 / -21-4549998) +351-21-4549999 / 00351-21-4549999 (21-4549999 / -21-4549999)