Area Code +351-22-(9990000...9999999) 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 : 9990000 Subscriber Number To : 9999999 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 : PT - COMUNICAÇÕES, 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-(9980000...9989999) next › : +351-231-(000000...009999) Dialling Instructions For trunk calls: - 22 9990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 22 9990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9990000 ~ 9999999 (Count: 10,000) Example: +351-22-9990000 / 00351-22-9990000 (22-9990000 / -22-9990000) +351-22-9990001 / 00351-22-9990001 (22-9990001 / -22-9990001) +351-22-9990002 / 00351-22-9990002 (22-9990002 / -22-9990002) +351-22-9990003 / 00351-22-9990003 (22-9990003 / -22-9990003) +351-22-9990004 / 00351-22-9990004 (22-9990004 / -22-9990004) ...+351-22-xxxxxxx / 00351-22-xxxxxxx (22-xxxxxxx / -22-xxxxxxx) ...+351-22-9999995 / 00351-22-9999995 (22-9999995 / -22-9999995) +351-22-9999996 / 00351-22-9999996 (22-9999996 / -22-9999996) +351-22-9999997 / 00351-22-9999997 (22-9999997 / -22-9999997) +351-22-9999998 / 00351-22-9999998 (22-9999998 / -22-9999998) +351-22-9999999 / 00351-22-9999999 (22-9999999 / -22-9999999)