Area Code +351-274-(300000...309999) 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 : 300000 Subscriber Number To : 309999 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 : AR TELECOM - ACESSOS E REDES DE TELECOMUNICAÇÕES, 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-(240000...249999) next › : +351-274-(500000...509999) Dialling Instructions For trunk calls: - 274 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 274 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +351-274-300000 / 00351-274-300000 (274-300000 / -274-300000) +351-274-300001 / 00351-274-300001 (274-300001 / -274-300001) +351-274-300002 / 00351-274-300002 (274-300002 / -274-300002) +351-274-300003 / 00351-274-300003 (274-300003 / -274-300003) +351-274-300004 / 00351-274-300004 (274-300004 / -274-300004) ...+351-274-xxxxxx / 00351-274-xxxxxx (274-xxxxxx / -274-xxxxxx) ...+351-274-309995 / 00351-274-309995 (274-309995 / -274-309995) +351-274-309996 / 00351-274-309996 (274-309996 / -274-309996) +351-274-309997 / 00351-274-309997 (274-309997 / -274-309997) +351-274-309998 / 00351-274-309998 (274-309998 / -274-309998) +351-274-309999 / 00351-274-309999 (274-309999 / -274-309999)