Area Code +351-238-(670000...679999) 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 : 670000 Subscriber Number To : 679999 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-(660000...669999) next › : +351-238-(690000...699999) Dialling Instructions For trunk calls: - 238 670000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 238 670000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 670000 ~ 679999 (Count: 10,000) Example: +351-238-670000 / 00351-238-670000 (238-670000 / -238-670000) +351-238-670001 / 00351-238-670001 (238-670001 / -238-670001) +351-238-670002 / 00351-238-670002 (238-670002 / -238-670002) +351-238-670003 / 00351-238-670003 (238-670003 / -238-670003) +351-238-670004 / 00351-238-670004 (238-670004 / -238-670004) ...+351-238-xxxxxx / 00351-238-xxxxxx (238-xxxxxx / -238-xxxxxx) ...+351-238-679995 / 00351-238-679995 (238-679995 / -238-679995) +351-238-679996 / 00351-238-679996 (238-679996 / -238-679996) +351-238-679997 / 00351-238-679997 (238-679997 / -238-679997) +351-238-679998 / 00351-238-679998 (238-679998 / -238-679998) +351-238-679999 / 00351-238-679999 (238-679999 / -238-679999)