Area Code +351-275-(000000...009999) located in Covilhã, Castelo Branco (05), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 275 Subscriber Number From : 000000 Subscriber Number To : 009999 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 : ONITELECOM – INFOCOMUNICAÇÕES, 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 : Covilhã Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.2800 Longitude : -7.5000 ‹ previous : +351-274-(890000...899999) next › : +351-275-(010000...019999) Dialling Instructions For trunk calls: - 275 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 275 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 009999 (Count: 10,000) Example: +351-275-000000 / 00351-275-000000 (275-000000 / -275-000000) +351-275-000001 / 00351-275-000001 (275-000001 / -275-000001) +351-275-000002 / 00351-275-000002 (275-000002 / -275-000002) +351-275-000003 / 00351-275-000003 (275-000003 / -275-000003) +351-275-000004 / 00351-275-000004 (275-000004 / -275-000004) ...+351-275-xxxxxx / 00351-275-xxxxxx (275-xxxxxx / -275-xxxxxx) ...+351-275-009995 / 00351-275-009995 (275-009995 / -275-009995) +351-275-009996 / 00351-275-009996 (275-009996 / -275-009996) +351-275-009997 / 00351-275-009997 (275-009997 / -275-009997) +351-275-009998 / 00351-275-009998 (275-009998 / -275-009998) +351-275-009999 / 00351-275-009999 (275-009999 / -275-009999)