Area Code +351-234-(180000...189999) 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 : 180000 Subscriber Number To : 189999 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-(170000...179999) next › : +351-234-(190000...199999) Dialling Instructions For trunk calls: - 234 180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 234 180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 180000 ~ 189999 (Count: 10,000) Example: +351-234-180000 / 00351-234-180000 (234-180000 / -234-180000) +351-234-180001 / 00351-234-180001 (234-180001 / -234-180001) +351-234-180002 / 00351-234-180002 (234-180002 / -234-180002) +351-234-180003 / 00351-234-180003 (234-180003 / -234-180003) +351-234-180004 / 00351-234-180004 (234-180004 / -234-180004) ...+351-234-xxxxxx / 00351-234-xxxxxx (234-xxxxxx / -234-xxxxxx) ...+351-234-189995 / 00351-234-189995 (234-189995 / -234-189995) +351-234-189996 / 00351-234-189996 (234-189996 / -234-189996) +351-234-189997 / 00351-234-189997 (234-189997 / -234-189997) +351-234-189998 / 00351-234-189998 (234-189998 / -234-189998) +351-234-189999 / 00351-234-189999 (234-189999 / -234-189999)