Area Code +351-277-(300000...309999) located in Idanha-a-Nova, Castelo Branco (05), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 277 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 : 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 : Idanha-a-Nova Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 39.9200 Longitude : -7.2400 ‹ previous : +351-277-(240000...249999) next › : +351-277-(310000...319999) Dialling Instructions For trunk calls: - 277 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 277 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +351-277-300000 / 00351-277-300000 (277-300000 / -277-300000) +351-277-300001 / 00351-277-300001 (277-300001 / -277-300001) +351-277-300002 / 00351-277-300002 (277-300002 / -277-300002) +351-277-300003 / 00351-277-300003 (277-300003 / -277-300003) +351-277-300004 / 00351-277-300004 (277-300004 / -277-300004) ...+351-277-xxxxxx / 00351-277-xxxxxx (277-xxxxxx / -277-xxxxxx) ...+351-277-309995 / 00351-277-309995 (277-309995 / -277-309995) +351-277-309996 / 00351-277-309996 (277-309996 / -277-309996) +351-277-309997 / 00351-277-309997 (277-309997 / -277-309997) +351-277-309998 / 00351-277-309998 (277-309998 / -277-309998) +351-277-309999 / 00351-277-309999 (277-309999 / -277-309999)