Area Code +351-256-(120000...129999) located in Sao Joao da Madeira, Aveiro (01), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 256 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 : 01 Region Name : Aveiro City : Sao Joao da Madeira Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.9000 Longitude : -8.4900 ‹ previous : +351-256-(110000...119999) next › : +351-256-(150000...159999) Dialling Instructions For trunk calls: - 256 120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 256 120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 120000 ~ 129999 (Count: 10,000) Example: +351-256-120000 / 00351-256-120000 (256-120000 / -256-120000) +351-256-120001 / 00351-256-120001 (256-120001 / -256-120001) +351-256-120002 / 00351-256-120002 (256-120002 / -256-120002) +351-256-120003 / 00351-256-120003 (256-120003 / -256-120003) +351-256-120004 / 00351-256-120004 (256-120004 / -256-120004) ...+351-256-xxxxxx / 00351-256-xxxxxx (256-xxxxxx / -256-xxxxxx) ...+351-256-129995 / 00351-256-129995 (256-129995 / -256-129995) +351-256-129996 / 00351-256-129996 (256-129996 / -256-129996) +351-256-129997 / 00351-256-129997 (256-129997 / -256-129997) +351-256-129998 / 00351-256-129998 (256-129998 / -256-129998) +351-256-129999 / 00351-256-129999 (256-129999 / -256-129999)