Area Code +351-255-(960000...969999) located in Penafiel, Porto (13), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 255 Subscriber Number From : 960000 Subscriber Number To : 969999 National Destination Code Length : 3 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 : Penafiel Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 41.2100 Longitude : -8.2900 ‹ previous : +351-255-(940000...949999) next › : +351-256-(000000...009999) Dialling Instructions For trunk calls: - 255 960000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 255 960000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 960000 ~ 969999 (Count: 10,000) Example: +351-255-960000 / 00351-255-960000 (255-960000 / -255-960000) +351-255-960001 / 00351-255-960001 (255-960001 / -255-960001) +351-255-960002 / 00351-255-960002 (255-960002 / -255-960002) +351-255-960003 / 00351-255-960003 (255-960003 / -255-960003) +351-255-960004 / 00351-255-960004 (255-960004 / -255-960004) ...+351-255-xxxxxx / 00351-255-xxxxxx (255-xxxxxx / -255-xxxxxx) ...+351-255-969995 / 00351-255-969995 (255-969995 / -255-969995) +351-255-969996 / 00351-255-969996 (255-969996 / -255-969996) +351-255-969997 / 00351-255-969997 (255-969997 / -255-969997) +351-255-969998 / 00351-255-969998 (255-969998 / -255-969998) +351-255-969999 / 00351-255-969999 (255-969999 / -255-969999)