Area Code +351-22-(0010000...0019999) 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 : 0010000 Subscriber Number To : 0019999 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 : ONITELECOM – INFOCOMUNICAÇÕES, 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-(0000000...0009999) next › : +351-22-(0020000...0029999) Dialling Instructions For trunk calls: - 22 0010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 22 0010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0010000 ~ 0019999 (Count: 10,000) Example: +351-22-0010000 / 00351-22-0010000 (22-0010000 / -22-0010000) +351-22-0010001 / 00351-22-0010001 (22-0010001 / -22-0010001) +351-22-0010002 / 00351-22-0010002 (22-0010002 / -22-0010002) +351-22-0010003 / 00351-22-0010003 (22-0010003 / -22-0010003) +351-22-0010004 / 00351-22-0010004 (22-0010004 / -22-0010004) ...+351-22-xxxxxxx / 00351-22-xxxxxxx (22-xxxxxxx / -22-xxxxxxx) ...+351-22-0019995 / 00351-22-0019995 (22-0019995 / -22-0019995) +351-22-0019996 / 00351-22-0019996 (22-0019996 / -22-0019996) +351-22-0019997 / 00351-22-0019997 (22-0019997 / -22-0019997) +351-22-0019998 / 00351-22-0019998 (22-0019998 / -22-0019998) +351-22-0019999 / 00351-22-0019999 (22-0019999 / -22-0019999)