Area Code +351-256-(070000...079999) 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 : 070000 Subscriber Number To : 079999 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 : OPTIMUS - 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 : 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-(040000...049999) next › : +351-256-(080000...089999) Dialling Instructions For trunk calls: - 256 070000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 256 070000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 070000 ~ 079999 (Count: 10,000) Example: +351-256-070000 / 00351-256-070000 (256-070000 / -256-070000) +351-256-070001 / 00351-256-070001 (256-070001 / -256-070001) +351-256-070002 / 00351-256-070002 (256-070002 / -256-070002) +351-256-070003 / 00351-256-070003 (256-070003 / -256-070003) +351-256-070004 / 00351-256-070004 (256-070004 / -256-070004) ...+351-256-xxxxxx / 00351-256-xxxxxx (256-xxxxxx / -256-xxxxxx) ...+351-256-079995 / 00351-256-079995 (256-079995 / -256-079995) +351-256-079996 / 00351-256-079996 (256-079996 / -256-079996) +351-256-079997 / 00351-256-079997 (256-079997 / -256-079997) +351-256-079998 / 00351-256-079998 (256-079998 / -256-079998) +351-256-079999 / 00351-256-079999 (256-079999 / -256-079999)