Area Code +351-21-(4520000...4529999) 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 : 4520000 Subscriber Number To : 4529999 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-(4480000...4489999) next › : +351-21-(4530000...4539999) Dialling Instructions For trunk calls: - 21 4520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 4520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4520000 ~ 4529999 (Count: 10,000) Example: +351-21-4520000 / 00351-21-4520000 (21-4520000 / -21-4520000) +351-21-4520001 / 00351-21-4520001 (21-4520001 / -21-4520001) +351-21-4520002 / 00351-21-4520002 (21-4520002 / -21-4520002) +351-21-4520003 / 00351-21-4520003 (21-4520003 / -21-4520003) +351-21-4520004 / 00351-21-4520004 (21-4520004 / -21-4520004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-4529995 / 00351-21-4529995 (21-4529995 / -21-4529995) +351-21-4529996 / 00351-21-4529996 (21-4529996 / -21-4529996) +351-21-4529997 / 00351-21-4529997 (21-4529997 / -21-4529997) +351-21-4529998 / 00351-21-4529998 (21-4529998 / -21-4529998) +351-21-4529999 / 00351-21-4529999 (21-4529999 / -21-4529999)