Area Code +351-234-(280000...289999) 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 : 280000 Subscriber Number To : 289999 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 : CABOVISÃO - SOCIEDADE DE TELEVISÃO POR CABO, 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-(240000...249999) next › : +351-234-(290000...299999) Dialling Instructions For trunk calls: - 234 280000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 234 280000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 280000 ~ 289999 (Count: 10,000) Example: +351-234-280000 / 00351-234-280000 (234-280000 / -234-280000) +351-234-280001 / 00351-234-280001 (234-280001 / -234-280001) +351-234-280002 / 00351-234-280002 (234-280002 / -234-280002) +351-234-280003 / 00351-234-280003 (234-280003 / -234-280003) +351-234-280004 / 00351-234-280004 (234-280004 / -234-280004) ...+351-234-xxxxxx / 00351-234-xxxxxx (234-xxxxxx / -234-xxxxxx) ...+351-234-289995 / 00351-234-289995 (234-289995 / -234-289995) +351-234-289996 / 00351-234-289996 (234-289996 / -234-289996) +351-234-289997 / 00351-234-289997 (234-289997 / -234-289997) +351-234-289998 / 00351-234-289998 (234-289998 / -234-289998) +351-234-289999 / 00351-234-289999 (234-289999 / -234-289999)