Area Code +351-255-(200000...209999) 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 : 200000 Subscriber Number To : 209999 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 : 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 : 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-(180000...189999) next › : +351-255-(210000...219999) Dialling Instructions For trunk calls: - 255 200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 255 200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 200000 ~ 209999 (Count: 10,000) Example: +351-255-200000 / 00351-255-200000 (255-200000 / -255-200000) +351-255-200001 / 00351-255-200001 (255-200001 / -255-200001) +351-255-200002 / 00351-255-200002 (255-200002 / -255-200002) +351-255-200003 / 00351-255-200003 (255-200003 / -255-200003) +351-255-200004 / 00351-255-200004 (255-200004 / -255-200004) ...+351-255-xxxxxx / 00351-255-xxxxxx (255-xxxxxx / -255-xxxxxx) ...+351-255-209995 / 00351-255-209995 (255-209995 / -255-209995) +351-255-209996 / 00351-255-209996 (255-209996 / -255-209996) +351-255-209997 / 00351-255-209997 (255-209997 / -255-209997) +351-255-209998 / 00351-255-209998 (255-209998 / -255-209998) +351-255-209999 / 00351-255-209999 (255-209999 / -255-209999)