Area Code +351-22-(0300000...0309999) 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 : 0300000 Subscriber Number To : 0309999 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 : AR TELECOM - ACESSOS E REDES DE TELECOMUNICAÇÕES, 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-(0270000...0279999) next › : +351-22-(0310000...0319999) Dialling Instructions For trunk calls: - 22 0300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 22 0300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0300000 ~ 0309999 (Count: 10,000) Example: +351-22-0300000 / 00351-22-0300000 (22-0300000 / -22-0300000) +351-22-0300001 / 00351-22-0300001 (22-0300001 / -22-0300001) +351-22-0300002 / 00351-22-0300002 (22-0300002 / -22-0300002) +351-22-0300003 / 00351-22-0300003 (22-0300003 / -22-0300003) +351-22-0300004 / 00351-22-0300004 (22-0300004 / -22-0300004) ...+351-22-xxxxxxx / 00351-22-xxxxxxx (22-xxxxxxx / -22-xxxxxxx) ...+351-22-0309995 / 00351-22-0309995 (22-0309995 / -22-0309995) +351-22-0309996 / 00351-22-0309996 (22-0309996 / -22-0309996) +351-22-0309997 / 00351-22-0309997 (22-0309997 / -22-0309997) +351-22-0309998 / 00351-22-0309998 (22-0309998 / -22-0309998) +351-22-0309999 / 00351-22-0309999 (22-0309999 / -22-0309999)