Area Code +351-91-(0000000...9999999) located in Mobile services, more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 91 Subscriber Number From : 0000000 Subscriber Number To : 9999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : VODAFONE PORTUGAL - COMUNICAÇÕES PESSOAIS, S.A. Click here to buy Portugal Area Code Database Other Information Language Code : pt (Portuguese) Country Number : 620 (Portugal) Country Code : PT (Portugal) City : Mobile services Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : None Longitude : None ‹ previous : +351-309-(990000...999999) next › : +351-921-(000000...009999) Dialling Instructions For trunk calls: - 91 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 91 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +351-91-0000000 / 00351-91-0000000 (91-0000000 / -91-0000000) +351-91-0000001 / 00351-91-0000001 (91-0000001 / -91-0000001) +351-91-0000002 / 00351-91-0000002 (91-0000002 / -91-0000002) +351-91-0000003 / 00351-91-0000003 (91-0000003 / -91-0000003) +351-91-0000004 / 00351-91-0000004 (91-0000004 / -91-0000004) ...+351-91-xxxxxxx / 00351-91-xxxxxxx (91-xxxxxxx / -91-xxxxxxx) ...+351-91-9999995 / 00351-91-9999995 (91-9999995 / -91-9999995) +351-91-9999996 / 00351-91-9999996 (91-9999996 / -91-9999996) +351-91-9999997 / 00351-91-9999997 (91-9999997 / -91-9999997) +351-91-9999998 / 00351-91-9999998 (91-9999998 / -91-9999998) +351-91-9999999 / 00351-91-9999999 (91-9999999 / -91-9999999)