Area Code +351-274-(500000...509999) 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 : 500000 Subscriber Number To : 509999 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 : 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 : +351-274-(300000...309999) next › : +351-274-(600000...609999) Dialling Instructions For trunk calls: - 274 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 274 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +351-274-500000 / 00351-274-500000 (274-500000 / -274-500000) +351-274-500001 / 00351-274-500001 (274-500001 / -274-500001) +351-274-500002 / 00351-274-500002 (274-500002 / -274-500002) +351-274-500003 / 00351-274-500003 (274-500003 / -274-500003) +351-274-500004 / 00351-274-500004 (274-500004 / -274-500004) ...+351-274-xxxxxx / 00351-274-xxxxxx (274-xxxxxx / -274-xxxxxx) ...+351-274-509995 / 00351-274-509995 (274-509995 / -274-509995) +351-274-509996 / 00351-274-509996 (274-509996 / -274-509996) +351-274-509997 / 00351-274-509997 (274-509997 / -274-509997) +351-274-509998 / 00351-274-509998 (274-509998 / -274-509998) +351-274-509999 / 00351-274-509999 (274-509999 / -274-509999)