Area Code +351-277-(420000...429999) 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 : 420000 Subscriber Number To : 429999 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-(390000...399999) next › : +351-277-(430000...439999) Dialling Instructions For trunk calls: - 277 420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 277 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 420000 ~ 429999 (Count: 10,000) Example: +351-277-420000 / 00351-277-420000 (277-420000 / -277-420000) +351-277-420001 / 00351-277-420001 (277-420001 / -277-420001) +351-277-420002 / 00351-277-420002 (277-420002 / -277-420002) +351-277-420003 / 00351-277-420003 (277-420003 / -277-420003) +351-277-420004 / 00351-277-420004 (277-420004 / -277-420004) ...+351-277-xxxxxx / 00351-277-xxxxxx (277-xxxxxx / -277-xxxxxx) ...+351-277-429995 / 00351-277-429995 (277-429995 / -277-429995) +351-277-429996 / 00351-277-429996 (277-429996 / -277-429996) +351-277-429997 / 00351-277-429997 (277-429997 / -277-429997) +351-277-429998 / 00351-277-429998 (277-429998 / -277-429998) +351-277-429999 / 00351-277-429999 (277-429999 / -277-429999)