Area Code +351-256-(180000...189999) located in Sao Joao da Madeira, Aveiro (01), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 256 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 : Sao Joao da Madeira Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.9000 Longitude : -8.4900 ‹ previous : +351-256-(150000...159999) next › : +351-256-(190000...199999) Dialling Instructions For trunk calls: - 256 180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 256 180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 180000 ~ 189999 (Count: 10,000) Example: +351-256-180000 / 00351-256-180000 (256-180000 / -256-180000) +351-256-180001 / 00351-256-180001 (256-180001 / -256-180001) +351-256-180002 / 00351-256-180002 (256-180002 / -256-180002) +351-256-180003 / 00351-256-180003 (256-180003 / -256-180003) +351-256-180004 / 00351-256-180004 (256-180004 / -256-180004) ...+351-256-xxxxxx / 00351-256-xxxxxx (256-xxxxxx / -256-xxxxxx) ...+351-256-189995 / 00351-256-189995 (256-189995 / -256-189995) +351-256-189996 / 00351-256-189996 (256-189996 / -256-189996) +351-256-189997 / 00351-256-189997 (256-189997 / -256-189997) +351-256-189998 / 00351-256-189998 (256-189998 / -256-189998) +351-256-189999 / 00351-256-189999 (256-189999 / -256-189999)