Area Code +351-277-(380000...389999) 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 : 380000 Subscriber Number To : 389999 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-(370000...379999) next › : +351-277-(390000...399999) Dialling Instructions For trunk calls: - 277 380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 277 380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 380000 ~ 389999 (Count: 10,000) Example: +351-277-380000 / 00351-277-380000 (277-380000 / -277-380000) +351-277-380001 / 00351-277-380001 (277-380001 / -277-380001) +351-277-380002 / 00351-277-380002 (277-380002 / -277-380002) +351-277-380003 / 00351-277-380003 (277-380003 / -277-380003) +351-277-380004 / 00351-277-380004 (277-380004 / -277-380004) ...+351-277-xxxxxx / 00351-277-xxxxxx (277-xxxxxx / -277-xxxxxx) ...+351-277-389995 / 00351-277-389995 (277-389995 / -277-389995) +351-277-389996 / 00351-277-389996 (277-389996 / -277-389996) +351-277-389997 / 00351-277-389997 (277-389997 / -277-389997) +351-277-389998 / 00351-277-389998 (277-389998 / -277-389998) +351-277-389999 / 00351-277-389999 (277-389999 / -277-389999)