Area Code +351-21-(4010000...4019999) 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 : 4010000 Subscriber Number To : 4019999 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 : ZON TV CABO PORTUGAL, 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-(4000000...4009999) next › : +351-21-(4020000...4029999) Dialling Instructions For trunk calls: - 21 4010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 4010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4010000 ~ 4019999 (Count: 10,000) Example: +351-21-4010000 / 00351-21-4010000 (21-4010000 / -21-4010000) +351-21-4010001 / 00351-21-4010001 (21-4010001 / -21-4010001) +351-21-4010002 / 00351-21-4010002 (21-4010002 / -21-4010002) +351-21-4010003 / 00351-21-4010003 (21-4010003 / -21-4010003) +351-21-4010004 / 00351-21-4010004 (21-4010004 / -21-4010004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-4019995 / 00351-21-4019995 (21-4019995 / -21-4019995) +351-21-4019996 / 00351-21-4019996 (21-4019996 / -21-4019996) +351-21-4019997 / 00351-21-4019997 (21-4019997 / -21-4019997) +351-21-4019998 / 00351-21-4019998 (21-4019998 / -21-4019998) +351-21-4019999 / 00351-21-4019999 (21-4019999 / -21-4019999)