Area Code +351-22-(0420000...0429999) 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 : 0420000 Subscriber Number To : 0429999 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 PRIME – SOLUÇÕES EMPRESARIAIS DE TELECOMUNICAÇÕES E SISTEMAS, 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-(0410000...0419999) next › : +351-22-(0430000...0439999) Dialling Instructions For trunk calls: - 22 0420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 22 0420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0420000 ~ 0429999 (Count: 10,000) Example: +351-22-0420000 / 00351-22-0420000 (22-0420000 / -22-0420000) +351-22-0420001 / 00351-22-0420001 (22-0420001 / -22-0420001) +351-22-0420002 / 00351-22-0420002 (22-0420002 / -22-0420002) +351-22-0420003 / 00351-22-0420003 (22-0420003 / -22-0420003) +351-22-0420004 / 00351-22-0420004 (22-0420004 / -22-0420004) ...+351-22-xxxxxxx / 00351-22-xxxxxxx (22-xxxxxxx / -22-xxxxxxx) ...+351-22-0429995 / 00351-22-0429995 (22-0429995 / -22-0429995) +351-22-0429996 / 00351-22-0429996 (22-0429996 / -22-0429996) +351-22-0429997 / 00351-22-0429997 (22-0429997 / -22-0429997) +351-22-0429998 / 00351-22-0429998 (22-0429998 / -22-0429998) +351-22-0429999 / 00351-22-0429999 (22-0429999 / -22-0429999)