Area Code +351-232-(310000...319999) located in Viseu, Viseu (18), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 232 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 : 18 Region Name : Viseu City : Viseu Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.6600 Longitude : -7.9100 ‹ previous : +351-232-(300000...309999) next › : +351-232-(350000...359999) Dialling Instructions For trunk calls: - 232 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 232 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +351-232-310000 / 00351-232-310000 (232-310000 / -232-310000) +351-232-310001 / 00351-232-310001 (232-310001 / -232-310001) +351-232-310002 / 00351-232-310002 (232-310002 / -232-310002) +351-232-310003 / 00351-232-310003 (232-310003 / -232-310003) +351-232-310004 / 00351-232-310004 (232-310004 / -232-310004) ...+351-232-xxxxxx / 00351-232-xxxxxx (232-xxxxxx / -232-xxxxxx) ...+351-232-319995 / 00351-232-319995 (232-319995 / -232-319995) +351-232-319996 / 00351-232-319996 (232-319996 / -232-319996) +351-232-319997 / 00351-232-319997 (232-319997 / -232-319997) +351-232-319998 / 00351-232-319998 (232-319998 / -232-319998) +351-232-319999 / 00351-232-319999 (232-319999 / -232-319999)