Area Code +351-238-(660000...669999) located in Seia, Guarda (09), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 238 Subscriber Number From : 660000 Subscriber Number To : 669999 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 : 09 Region Name : Guarda City : Seia Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.4200 Longitude : -7.7000 ‹ previous : +351-238-(640000...649999) next › : +351-238-(670000...679999) Dialling Instructions For trunk calls: - 238 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 238 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +351-238-660000 / 00351-238-660000 (238-660000 / -238-660000) +351-238-660001 / 00351-238-660001 (238-660001 / -238-660001) +351-238-660002 / 00351-238-660002 (238-660002 / -238-660002) +351-238-660003 / 00351-238-660003 (238-660003 / -238-660003) +351-238-660004 / 00351-238-660004 (238-660004 / -238-660004) ...+351-238-xxxxxx / 00351-238-xxxxxx (238-xxxxxx / -238-xxxxxx) ...+351-238-669995 / 00351-238-669995 (238-669995 / -238-669995) +351-238-669996 / 00351-238-669996 (238-669996 / -238-669996) +351-238-669997 / 00351-238-669997 (238-669997 / -238-669997) +351-238-669998 / 00351-238-669998 (238-669998 / -238-669998) +351-238-669999 / 00351-238-669999 (238-669999 / -238-669999)