Area Code +351-277-(390000...399999) 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 : 390000 Subscriber Number To : 399999 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-(380000...389999) next › : +351-277-(420000...429999) Dialling Instructions For trunk calls: - 277 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 277 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +351-277-390000 / 00351-277-390000 (277-390000 / -277-390000) +351-277-390001 / 00351-277-390001 (277-390001 / -277-390001) +351-277-390002 / 00351-277-390002 (277-390002 / -277-390002) +351-277-390003 / 00351-277-390003 (277-390003 / -277-390003) +351-277-390004 / 00351-277-390004 (277-390004 / -277-390004) ...+351-277-xxxxxx / 00351-277-xxxxxx (277-xxxxxx / -277-xxxxxx) ...+351-277-399995 / 00351-277-399995 (277-399995 / -277-399995) +351-277-399996 / 00351-277-399996 (277-399996 / -277-399996) +351-277-399997 / 00351-277-399997 (277-399997 / -277-399997) +351-277-399998 / 00351-277-399998 (277-399998 / -277-399998) +351-277-399999 / 00351-277-399999 (277-399999 / -277-399999)