Area Code +351-277-(000000...009999) 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 : 000000 Subscriber Number To : 009999 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 : ONITELECOM – INFOCOMUNICAÇÕES, 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 : +351-276-(990000...999999) next › : +351-277-(010000...019999) Dialling Instructions For trunk calls: - 277 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 277 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 009999 (Count: 10,000) Example: +351-277-000000 / 00351-277-000000 (277-000000 / -277-000000) +351-277-000001 / 00351-277-000001 (277-000001 / -277-000001) +351-277-000002 / 00351-277-000002 (277-000002 / -277-000002) +351-277-000003 / 00351-277-000003 (277-000003 / -277-000003) +351-277-000004 / 00351-277-000004 (277-000004 / -277-000004) ...+351-277-xxxxxx / 00351-277-xxxxxx (277-xxxxxx / -277-xxxxxx) ...+351-277-009995 / 00351-277-009995 (277-009995 / -277-009995) +351-277-009996 / 00351-277-009996 (277-009996 / -277-009996) +351-277-009997 / 00351-277-009997 (277-009997 / -277-009997) +351-277-009998 / 00351-277-009998 (277-009998 / -277-009998) +351-277-009999 / 00351-277-009999 (277-009999 / -277-009999)