Area Code +351-22-(0030000...0039999) 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 : 0030000 Subscriber Number To : 0039999 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-(0020000...0029999) next › : +351-22-(0040000...0049999) Dialling Instructions For trunk calls: - 22 0030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 22 0030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0030000 ~ 0039999 (Count: 10,000) Example: +351-22-0030000 / 00351-22-0030000 (22-0030000 / -22-0030000) +351-22-0030001 / 00351-22-0030001 (22-0030001 / -22-0030001) +351-22-0030002 / 00351-22-0030002 (22-0030002 / -22-0030002) +351-22-0030003 / 00351-22-0030003 (22-0030003 / -22-0030003) +351-22-0030004 / 00351-22-0030004 (22-0030004 / -22-0030004) ...+351-22-xxxxxxx / 00351-22-xxxxxxx (22-xxxxxxx / -22-xxxxxxx) ...+351-22-0039995 / 00351-22-0039995 (22-0039995 / -22-0039995) +351-22-0039996 / 00351-22-0039996 (22-0039996 / -22-0039996) +351-22-0039997 / 00351-22-0039997 (22-0039997 / -22-0039997) +351-22-0039998 / 00351-22-0039998 (22-0039998 / -22-0039998) +351-22-0039999 / 00351-22-0039999 (22-0039999 / -22-0039999)