Area Code +351-251-(410000...419999) located in Valença, Viana do Castelo (16), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 251 Subscriber Number From : 410000 Subscriber Number To : 419999 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 : 16 Region Name : Viana do Castelo City : Valença Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 42.0200 Longitude : -8.6300 ‹ previous : +351-251-(400000...409999) next › : +351-251-(460000...469999) Dialling Instructions For trunk calls: - 251 410000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 251 410000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 410000 ~ 419999 (Count: 10,000) Example: +351-251-410000 / 00351-251-410000 (251-410000 / -251-410000) +351-251-410001 / 00351-251-410001 (251-410001 / -251-410001) +351-251-410002 / 00351-251-410002 (251-410002 / -251-410002) +351-251-410003 / 00351-251-410003 (251-410003 / -251-410003) +351-251-410004 / 00351-251-410004 (251-410004 / -251-410004) ...+351-251-xxxxxx / 00351-251-xxxxxx (251-xxxxxx / -251-xxxxxx) ...+351-251-419995 / 00351-251-419995 (251-419995 / -251-419995) +351-251-419996 / 00351-251-419996 (251-419996 / -251-419996) +351-251-419997 / 00351-251-419997 (251-419997 / -251-419997) +351-251-419998 / 00351-251-419998 (251-419998 / -251-419998) +351-251-419999 / 00351-251-419999 (251-419999 / -251-419999)