Area Code +351-277-(120000...129999) 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 : 120000 Subscriber Number To : 129999 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 : COLT TECHNOLOGY SERVICES – Unipessoal, Lda. 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-(100000...109999) next › : +351-277-(200000...209999) Dialling Instructions For trunk calls: - 277 120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 277 120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 120000 ~ 129999 (Count: 10,000) Example: +351-277-120000 / 00351-277-120000 (277-120000 / -277-120000) +351-277-120001 / 00351-277-120001 (277-120001 / -277-120001) +351-277-120002 / 00351-277-120002 (277-120002 / -277-120002) +351-277-120003 / 00351-277-120003 (277-120003 / -277-120003) +351-277-120004 / 00351-277-120004 (277-120004 / -277-120004) ...+351-277-xxxxxx / 00351-277-xxxxxx (277-xxxxxx / -277-xxxxxx) ...+351-277-129995 / 00351-277-129995 (277-129995 / -277-129995) +351-277-129996 / 00351-277-129996 (277-129996 / -277-129996) +351-277-129997 / 00351-277-129997 (277-129997 / -277-129997) +351-277-129998 / 00351-277-129998 (277-129998 / -277-129998) +351-277-129999 / 00351-277-129999 (277-129999 / -277-129999)