Area Code +351-231-(300000...309999) 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 : 300000 Subscriber Number To : 309999 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 : AR TELECOM - ACESSOS E REDES 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 : 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-(280000...289999) next › : +351-231-(400000...409999) Dialling Instructions For trunk calls: - 231 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 231 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +351-231-300000 / 00351-231-300000 (231-300000 / -231-300000) +351-231-300001 / 00351-231-300001 (231-300001 / -231-300001) +351-231-300002 / 00351-231-300002 (231-300002 / -231-300002) +351-231-300003 / 00351-231-300003 (231-300003 / -231-300003) +351-231-300004 / 00351-231-300004 (231-300004 / -231-300004) ...+351-231-xxxxxx / 00351-231-xxxxxx (231-xxxxxx / -231-xxxxxx) ...+351-231-309995 / 00351-231-309995 (231-309995 / -231-309995) +351-231-309996 / 00351-231-309996 (231-309996 / -231-309996) +351-231-309997 / 00351-231-309997 (231-309997 / -231-309997) +351-231-309998 / 00351-231-309998 (231-309998 / -231-309998) +351-231-309999 / 00351-231-309999 (231-309999 / -231-309999)
