Area Code +351-274-(000000...009999) located in Proença-a-Nova, Castelo Branco (05), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 274 Subscriber Number From : 000000 Subscriber Number To : 009999 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 : ONITELECOM – INFOCOMUNICAÇÕES, 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 : 05 Region Name : Castelo Branco City : Proença-a-Nova Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 39.7500 Longitude : -7.9300 ‹ previous : +351-273-(990000...999999) next › : +351-274-(010000...019999) Dialling Instructions For trunk calls: - 274 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 274 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 009999 (Count: 10,000) Example: +351-274-000000 / 00351-274-000000 (274-000000 / -274-000000) +351-274-000001 / 00351-274-000001 (274-000001 / -274-000001) +351-274-000002 / 00351-274-000002 (274-000002 / -274-000002) +351-274-000003 / 00351-274-000003 (274-000003 / -274-000003) +351-274-000004 / 00351-274-000004 (274-000004 / -274-000004) ...+351-274-xxxxxx / 00351-274-xxxxxx (274-xxxxxx / -274-xxxxxx) ...+351-274-009995 / 00351-274-009995 (274-009995 / -274-009995) +351-274-009996 / 00351-274-009996 (274-009996 / -274-009996) +351-274-009997 / 00351-274-009997 (274-009997 / -274-009997) +351-274-009998 / 00351-274-009998 (274-009998 / -274-009998) +351-274-009999 / 00351-274-009999 (274-009999 / -274-009999)