Area Code +351-258-(510000...519999) located in Viana do Castelo, Viana do Castelo (16), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 258 Subscriber Number From : 510000 Subscriber Number To : 519999 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 : 16 Region Name : Viana do Castelo City : Viana do Castelo Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 41.6900 Longitude : -8.8300 ‹ previous : +351-258-(500000...509999) next › : +351-258-(520000...529999) Dialling Instructions For trunk calls: - 258 510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 258 510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 510000 ~ 519999 (Count: 10,000) Example: +351-258-510000 / 00351-258-510000 (258-510000 / -258-510000) +351-258-510001 / 00351-258-510001 (258-510001 / -258-510001) +351-258-510002 / 00351-258-510002 (258-510002 / -258-510002) +351-258-510003 / 00351-258-510003 (258-510003 / -258-510003) +351-258-510004 / 00351-258-510004 (258-510004 / -258-510004) ...+351-258-xxxxxx / 00351-258-xxxxxx (258-xxxxxx / -258-xxxxxx) ...+351-258-519995 / 00351-258-519995 (258-519995 / -258-519995) +351-258-519996 / 00351-258-519996 (258-519996 / -258-519996) +351-258-519997 / 00351-258-519997 (258-519997 / -258-519997) +351-258-519998 / 00351-258-519998 (258-519998 / -258-519998) +351-258-519999 / 00351-258-519999 (258-519999 / -258-519999)