Area Code +351-251-(150000...159999) 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 : 150000 Subscriber Number To : 159999 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 : REFER TELECOM – SERVIÇOS 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 : 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-(120000...129999) next › : +351-251-(240000...249999) Dialling Instructions For trunk calls: - 251 150000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 251 150000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 150000 ~ 159999 (Count: 10,000) Example: +351-251-150000 / 00351-251-150000 (251-150000 / -251-150000) +351-251-150001 / 00351-251-150001 (251-150001 / -251-150001) +351-251-150002 / 00351-251-150002 (251-150002 / -251-150002) +351-251-150003 / 00351-251-150003 (251-150003 / -251-150003) +351-251-150004 / 00351-251-150004 (251-150004 / -251-150004) ...+351-251-xxxxxx / 00351-251-xxxxxx (251-xxxxxx / -251-xxxxxx) ...+351-251-159995 / 00351-251-159995 (251-159995 / -251-159995) +351-251-159996 / 00351-251-159996 (251-159996 / -251-159996) +351-251-159997 / 00351-251-159997 (251-159997 / -251-159997) +351-251-159998 / 00351-251-159998 (251-159998 / -251-159998) +351-251-159999 / 00351-251-159999 (251-159999 / -251-159999)