Area Code +351-255-(210000...219999) 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 : 210000 Subscriber Number To : 219999 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-(200000...209999) next › : +351-255-(240000...249999) Dialling Instructions For trunk calls: - 255 210000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 255 210000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 210000 ~ 219999 (Count: 10,000) Example: +351-255-210000 / 00351-255-210000 (255-210000 / -255-210000) +351-255-210001 / 00351-255-210001 (255-210001 / -255-210001) +351-255-210002 / 00351-255-210002 (255-210002 / -255-210002) +351-255-210003 / 00351-255-210003 (255-210003 / -255-210003) +351-255-210004 / 00351-255-210004 (255-210004 / -255-210004) ...+351-255-xxxxxx / 00351-255-xxxxxx (255-xxxxxx / -255-xxxxxx) ...+351-255-219995 / 00351-255-219995 (255-219995 / -255-219995) +351-255-219996 / 00351-255-219996 (255-219996 / -255-219996) +351-255-219997 / 00351-255-219997 (255-219997 / -255-219997) +351-255-219998 / 00351-255-219998 (255-219998 / -255-219998) +351-255-219999 / 00351-255-219999 (255-219999 / -255-219999)