Area Code +351-22-(0810000...0819999) located in Porto, Porto (13), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 22 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 : 13 Region Name : Porto City : Porto Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 41.1500 Longitude : -8.6100 ‹ previous : +351-22-(0800000...0809999) next › : +351-22-(0820000...0829999) Dialling Instructions For trunk calls: - 22 0810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 22 0810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0810000 ~ 0819999 (Count: 10,000) Example: +351-22-0810000 / 00351-22-0810000 (22-0810000 / -22-0810000) +351-22-0810001 / 00351-22-0810001 (22-0810001 / -22-0810001) +351-22-0810002 / 00351-22-0810002 (22-0810002 / -22-0810002) +351-22-0810003 / 00351-22-0810003 (22-0810003 / -22-0810003) +351-22-0810004 / 00351-22-0810004 (22-0810004 / -22-0810004) ...+351-22-xxxxxxx / 00351-22-xxxxxxx (22-xxxxxxx / -22-xxxxxxx) ...+351-22-0819995 / 00351-22-0819995 (22-0819995 / -22-0819995) +351-22-0819996 / 00351-22-0819996 (22-0819996 / -22-0819996) +351-22-0819997 / 00351-22-0819997 (22-0819997 / -22-0819997) +351-22-0819998 / 00351-22-0819998 (22-0819998 / -22-0819998) +351-22-0819999 / 00351-22-0819999 (22-0819999 / -22-0819999)