Area Code +351-251-(120000...129999) 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 : 120000 Subscriber Number To : 129999 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 : COLT TECHNOLOGY SERVICES – Unipessoal, Lda. 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-(100000...109999) next › : +351-251-(150000...159999) Dialling Instructions For trunk calls: - 251 120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 251 120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 120000 ~ 129999 (Count: 10,000) Example: +351-251-120000 / 00351-251-120000 (251-120000 / -251-120000) +351-251-120001 / 00351-251-120001 (251-120001 / -251-120001) +351-251-120002 / 00351-251-120002 (251-120002 / -251-120002) +351-251-120003 / 00351-251-120003 (251-120003 / -251-120003) +351-251-120004 / 00351-251-120004 (251-120004 / -251-120004) ...+351-251-xxxxxx / 00351-251-xxxxxx (251-xxxxxx / -251-xxxxxx) ...+351-251-129995 / 00351-251-129995 (251-129995 / -251-129995) +351-251-129996 / 00351-251-129996 (251-129996 / -251-129996) +351-251-129997 / 00351-251-129997 (251-129997 / -251-129997) +351-251-129998 / 00351-251-129998 (251-129998 / -251-129998) +351-251-129999 / 00351-251-129999 (251-129999 / -251-129999)