Area Code +351-238-(100000...109999) 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 : 100000 Subscriber Number To : 109999 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 : OPTIMUS - 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-(090000...099999) next › : +351-238-(120000...129999) Dialling Instructions For trunk calls: - 238 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 238 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +351-238-100000 / 00351-238-100000 (238-100000 / -238-100000) +351-238-100001 / 00351-238-100001 (238-100001 / -238-100001) +351-238-100002 / 00351-238-100002 (238-100002 / -238-100002) +351-238-100003 / 00351-238-100003 (238-100003 / -238-100003) +351-238-100004 / 00351-238-100004 (238-100004 / -238-100004) ...+351-238-xxxxxx / 00351-238-xxxxxx (238-xxxxxx / -238-xxxxxx) ...+351-238-109995 / 00351-238-109995 (238-109995 / -238-109995) +351-238-109996 / 00351-238-109996 (238-109996 / -238-109996) +351-238-109997 / 00351-238-109997 (238-109997 / -238-109997) +351-238-109998 / 00351-238-109998 (238-109998 / -238-109998) +351-238-109999 / 00351-238-109999 (238-109999 / -238-109999)