Area Code +351-22-(0400000...0409999) 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 : 0400000 Subscriber Number To : 0409999 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-(0350000...0359999) next › : +351-22-(0410000...0419999) Dialling Instructions For trunk calls: - 22 0400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 22 0400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0400000 ~ 0409999 (Count: 10,000) Example: +351-22-0400000 / 00351-22-0400000 (22-0400000 / -22-0400000) +351-22-0400001 / 00351-22-0400001 (22-0400001 / -22-0400001) +351-22-0400002 / 00351-22-0400002 (22-0400002 / -22-0400002) +351-22-0400003 / 00351-22-0400003 (22-0400003 / -22-0400003) +351-22-0400004 / 00351-22-0400004 (22-0400004 / -22-0400004) ...+351-22-xxxxxxx / 00351-22-xxxxxxx (22-xxxxxxx / -22-xxxxxxx) ...+351-22-0409995 / 00351-22-0409995 (22-0409995 / -22-0409995) +351-22-0409996 / 00351-22-0409996 (22-0409996 / -22-0409996) +351-22-0409997 / 00351-22-0409997 (22-0409997 / -22-0409997) +351-22-0409998 / 00351-22-0409998 (22-0409998 / -22-0409998) +351-22-0409999 / 00351-22-0409999 (22-0409999 / -22-0409999)