Area Code +351-274-(600000...609999) 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 : 600000 Subscriber Number To : 609999 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-(500000...509999) next › : +351-274-(660000...669999) Dialling Instructions For trunk calls: - 274 600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 274 600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 600000 ~ 609999 (Count: 10,000) Example: +351-274-600000 / 00351-274-600000 (274-600000 / -274-600000) +351-274-600001 / 00351-274-600001 (274-600001 / -274-600001) +351-274-600002 / 00351-274-600002 (274-600002 / -274-600002) +351-274-600003 / 00351-274-600003 (274-600003 / -274-600003) +351-274-600004 / 00351-274-600004 (274-600004 / -274-600004) ...+351-274-xxxxxx / 00351-274-xxxxxx (274-xxxxxx / -274-xxxxxx) ...+351-274-609995 / 00351-274-609995 (274-609995 / -274-609995) +351-274-609996 / 00351-274-609996 (274-609996 / -274-609996) +351-274-609997 / 00351-274-609997 (274-609997 / -274-609997) +351-274-609998 / 00351-274-609998 (274-609998 / -274-609998) +351-274-609999 / 00351-274-609999 (274-609999 / -274-609999)