Area Code +351-251-(480000...489999) 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 : 480000 Subscriber Number To : 489999 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-(460000...469999) next › : +351-251-(500000...509999) Dialling Instructions For trunk calls: - 251 480000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 251 480000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 480000 ~ 489999 (Count: 10,000) Example: +351-251-480000 / 00351-251-480000 (251-480000 / -251-480000) +351-251-480001 / 00351-251-480001 (251-480001 / -251-480001) +351-251-480002 / 00351-251-480002 (251-480002 / -251-480002) +351-251-480003 / 00351-251-480003 (251-480003 / -251-480003) +351-251-480004 / 00351-251-480004 (251-480004 / -251-480004) ...+351-251-xxxxxx / 00351-251-xxxxxx (251-xxxxxx / -251-xxxxxx) ...+351-251-489995 / 00351-251-489995 (251-489995 / -251-489995) +351-251-489996 / 00351-251-489996 (251-489996 / -251-489996) +351-251-489997 / 00351-251-489997 (251-489997 / -251-489997) +351-251-489998 / 00351-251-489998 (251-489998 / -251-489998) +351-251-489999 / 00351-251-489999 (251-489999 / -251-489999)