Area Code +351-234-(310000...319999) 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 : 310000 Subscriber Number To : 319999 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-(300000...309999) next › : +351-234-(320000...329999) Dialling Instructions For trunk calls: - 234 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 234 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +351-234-310000 / 00351-234-310000 (234-310000 / -234-310000) +351-234-310001 / 00351-234-310001 (234-310001 / -234-310001) +351-234-310002 / 00351-234-310002 (234-310002 / -234-310002) +351-234-310003 / 00351-234-310003 (234-310003 / -234-310003) +351-234-310004 / 00351-234-310004 (234-310004 / -234-310004) ...+351-234-xxxxxx / 00351-234-xxxxxx (234-xxxxxx / -234-xxxxxx) ...+351-234-319995 / 00351-234-319995 (234-319995 / -234-319995) +351-234-319996 / 00351-234-319996 (234-319996 / -234-319996) +351-234-319997 / 00351-234-319997 (234-319997 / -234-319997) +351-234-319998 / 00351-234-319998 (234-319998 / -234-319998) +351-234-319999 / 00351-234-319999 (234-319999 / -234-319999)