Area Code +351-21-(0810000...0819999) 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 : 0810000 Subscriber Number To : 0819999 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-(0800000...0809999) next › : +351-21-(0820000...0829999) Dialling Instructions For trunk calls: - 21 0810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 21 0810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0810000 ~ 0819999 (Count: 10,000) Example: +351-21-0810000 / 00351-21-0810000 (21-0810000 / -21-0810000) +351-21-0810001 / 00351-21-0810001 (21-0810001 / -21-0810001) +351-21-0810002 / 00351-21-0810002 (21-0810002 / -21-0810002) +351-21-0810003 / 00351-21-0810003 (21-0810003 / -21-0810003) +351-21-0810004 / 00351-21-0810004 (21-0810004 / -21-0810004) ...+351-21-xxxxxxx / 00351-21-xxxxxxx (21-xxxxxxx / -21-xxxxxxx) ...+351-21-0819995 / 00351-21-0819995 (21-0819995 / -21-0819995) +351-21-0819996 / 00351-21-0819996 (21-0819996 / -21-0819996) +351-21-0819997 / 00351-21-0819997 (21-0819997 / -21-0819997) +351-21-0819998 / 00351-21-0819998 (21-0819998 / -21-0819998) +351-21-0819999 / 00351-21-0819999 (21-0819999 / -21-0819999)