Area Code +351-231-(090000...099999) located in Mealhada, Aveiro (01), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 231 Subscriber Number From : 090000 Subscriber Number To : 099999 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 : VODAFONE PORTUGAL - COMUNICAÇÕES PESSOAIS, 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 : 01 Region Name : Aveiro City : Mealhada Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.3800 Longitude : -8.4500 ‹ previous : +351-231-(080000...089999) next › : +351-231-(100000...109999) Dialling Instructions For trunk calls: - 231 090000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 231 090000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 090000 ~ 099999 (Count: 10,000) Example: +351-231-090000 / 00351-231-090000 (231-090000 / -231-090000) +351-231-090001 / 00351-231-090001 (231-090001 / -231-090001) +351-231-090002 / 00351-231-090002 (231-090002 / -231-090002) +351-231-090003 / 00351-231-090003 (231-090003 / -231-090003) +351-231-090004 / 00351-231-090004 (231-090004 / -231-090004) ...+351-231-xxxxxx / 00351-231-xxxxxx (231-xxxxxx / -231-xxxxxx) ...+351-231-099995 / 00351-231-099995 (231-099995 / -231-099995) +351-231-099996 / 00351-231-099996 (231-099996 / -231-099996) +351-231-099997 / 00351-231-099997 (231-099997 / -231-099997) +351-231-099998 / 00351-231-099998 (231-099998 / -231-099998) +351-231-099999 / 00351-231-099999 (231-099999 / -231-099999)