Area Code +351-21-(0830000...0839999) 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 : 0830000 Subscriber Number To : 0839999 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 : CABOVISÃO - SOCIEDADE DE TELEVISÃO POR CABO, 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-(0820000...0829999) next › : +351-21-(0840000...0849999) Dialling Instructions For trunk calls: - 21 0830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 0830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0830000 ~ 0839999 (Count: 10,000) Example: +351-21-0830000 / 00351-21-0830000 (21-0830000 / -21-0830000) +351-21-0830001 / 00351-21-0830001 (21-0830001 / -21-0830001) +351-21-0830002 / 00351-21-0830002 (21-0830002 / -21-0830002) +351-21-0830003 / 00351-21-0830003 (21-0830003 / -21-0830003) +351-21-0830004 / 00351-21-0830004 (21-0830004 / -21-0830004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-0839995 / 00351-21-0839995 (21-0839995 / -21-0839995) +351-21-0839996 / 00351-21-0839996 (21-0839996 / -21-0839996) +351-21-0839997 / 00351-21-0839997 (21-0839997 / -21-0839997) +351-21-0839998 / 00351-21-0839998 (21-0839998 / -21-0839998) +351-21-0839999 / 00351-21-0839999 (21-0839999 / -21-0839999)