Area Code +351-234-(300000...309999) located in Aveiro, Aveiro (01), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 234 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 : PT - 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 : Aveiro Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.6400 Longitude : -8.6500 ‹ previous : +351-234-(290000...299999) next › : +351-234-(310000...319999) Dialling Instructions For trunk calls: - 234 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 234 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +351-234-300000 / 00351-234-300000 (234-300000 / -234-300000) +351-234-300001 / 00351-234-300001 (234-300001 / -234-300001) +351-234-300002 / 00351-234-300002 (234-300002 / -234-300002) +351-234-300003 / 00351-234-300003 (234-300003 / -234-300003) +351-234-300004 / 00351-234-300004 (234-300004 / -234-300004) ...+351-234-xxxxxx / 00351-234-xxxxxx (234-xxxxxx / -234-xxxxxx) ...+351-234-309995 / 00351-234-309995 (234-309995 / -234-309995) +351-234-309996 / 00351-234-309996 (234-309996 / -234-309996) +351-234-309997 / 00351-234-309997 (234-309997 / -234-309997) +351-234-309998 / 00351-234-309998 (234-309998 / -234-309998) +351-234-309999 / 00351-234-309999 (234-309999 / -234-309999)