Area Code +351-275-(310000...319999) 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 : 310000 Subscriber Number To : 319999 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 : 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 : +351-275-(240000...249999) next › : +351-275-(320000...329999) Dialling Instructions For trunk calls: - 275 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 275 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +351-275-310000 / 00351-275-310000 (275-310000 / -275-310000) +351-275-310001 / 00351-275-310001 (275-310001 / -275-310001) +351-275-310002 / 00351-275-310002 (275-310002 / -275-310002) +351-275-310003 / 00351-275-310003 (275-310003 / -275-310003) +351-275-310004 / 00351-275-310004 (275-310004 / -275-310004) ...+351-275-xxxxxx / 00351-275-xxxxxx (275-xxxxxx / -275-xxxxxx) ...+351-275-319995 / 00351-275-319995 (275-319995 / -275-319995) +351-275-319996 / 00351-275-319996 (275-319996 / -275-319996) +351-275-319997 / 00351-275-319997 (275-319997 / -275-319997) +351-275-319998 / 00351-275-319998 (275-319998 / -275-319998) +351-275-319999 / 00351-275-319999 (275-319999 / -275-319999)