Area Code +351-21-(4530000...4539999) 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 : 4530000 Subscriber Number To : 4539999 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-(4520000...4529999) next › : +351-21-(4540000...4549999) Dialling Instructions For trunk calls: - 21 4530000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 4530000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4530000 ~ 4539999 (Count: 10,000) Example: +351-21-4530000 / 00351-21-4530000 (21-4530000 / -21-4530000) +351-21-4530001 / 00351-21-4530001 (21-4530001 / -21-4530001) +351-21-4530002 / 00351-21-4530002 (21-4530002 / -21-4530002) +351-21-4530003 / 00351-21-4530003 (21-4530003 / -21-4530003) +351-21-4530004 / 00351-21-4530004 (21-4530004 / -21-4530004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-4539995 / 00351-21-4539995 (21-4539995 / -21-4539995) +351-21-4539996 / 00351-21-4539996 (21-4539996 / -21-4539996) +351-21-4539997 / 00351-21-4539997 (21-4539997 / -21-4539997) +351-21-4539998 / 00351-21-4539998 (21-4539998 / -21-4539998) +351-21-4539999 / 00351-21-4539999 (21-4539999 / -21-4539999)