Area Code +351-274-(680000...689999) 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 : 680000 Subscriber Number To : 689999 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-(670000...679999) next › : +351-274-(800000...809999) Dialling Instructions For trunk calls: - 274 680000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 274 680000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 680000 ~ 689999 (Count: 10,000) Example: +351-274-680000 / 00351-274-680000 (274-680000 / -274-680000) +351-274-680001 / 00351-274-680001 (274-680001 / -274-680001) +351-274-680002 / 00351-274-680002 (274-680002 / -274-680002) +351-274-680003 / 00351-274-680003 (274-680003 / -274-680003) +351-274-680004 / 00351-274-680004 (274-680004 / -274-680004) ...+351-274-xxxxxx / 00351-274-xxxxxx (274-xxxxxx / -274-xxxxxx) ...+351-274-689995 / 00351-274-689995 (274-689995 / -274-689995) +351-274-689996 / 00351-274-689996 (274-689996 / -274-689996) +351-274-689997 / 00351-274-689997 (274-689997 / -274-689997) +351-274-689998 / 00351-274-689998 (274-689998 / -274-689998) +351-274-689999 / 00351-274-689999 (274-689999 / -274-689999)