Area Code +351-277-(430000...439999) 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 : 430000 Subscriber Number To : 439999 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-(420000...429999) next › : +351-277-(450000...459999) Dialling Instructions For trunk calls: - 277 430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 277 430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 430000 ~ 439999 (Count: 10,000) Example: +351-277-430000 / 00351-277-430000 (277-430000 / -277-430000) +351-277-430001 / 00351-277-430001 (277-430001 / -277-430001) +351-277-430002 / 00351-277-430002 (277-430002 / -277-430002) +351-277-430003 / 00351-277-430003 (277-430003 / -277-430003) +351-277-430004 / 00351-277-430004 (277-430004 / -277-430004) ...+351-277-xxxxxx / 00351-277-xxxxxx (277-xxxxxx / -277-xxxxxx) ...+351-277-439995 / 00351-277-439995 (277-439995 / -277-439995) +351-277-439996 / 00351-277-439996 (277-439996 / -277-439996) +351-277-439997 / 00351-277-439997 (277-439997 / -277-439997) +351-277-439998 / 00351-277-439998 (277-439998 / -277-439998) +351-277-439999 / 00351-277-439999 (277-439999 / -277-439999)