Area Code +351-231-(100000...109999) 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 : 100000 Subscriber Number To : 109999 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 : OPTIMUS - 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 : 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-(090000...099999) next › : +351-231-(110000...119999) Dialling Instructions For trunk calls: - 231 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 231 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +351-231-100000 / 00351-231-100000 (231-100000 / -231-100000) +351-231-100001 / 00351-231-100001 (231-100001 / -231-100001) +351-231-100002 / 00351-231-100002 (231-100002 / -231-100002) +351-231-100003 / 00351-231-100003 (231-100003 / -231-100003) +351-231-100004 / 00351-231-100004 (231-100004 / -231-100004) ...+351-231-xxxxxx / 00351-231-xxxxxx (231-xxxxxx / -231-xxxxxx) ...+351-231-109995 / 00351-231-109995 (231-109995 / -231-109995) +351-231-109996 / 00351-231-109996 (231-109996 / -231-109996) +351-231-109997 / 00351-231-109997 (231-109997 / -231-109997) +351-231-109998 / 00351-231-109998 (231-109998 / -231-109998) +351-231-109999 / 00351-231-109999 (231-109999 / -231-109999)
