Area Code +351-254-(450000...459999) located in Peso da Régua, Viseu (18), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 254 Subscriber Number From : 450000 Subscriber Number To : 459999 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 : 18 Region Name : Viseu City : Peso da Régua Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 41.1700 Longitude : -7.7900 ‹ previous : +351-254-(420000...429999) next › : +351-254-(460000...469999) Dialling Instructions For trunk calls: - 254 450000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 254 450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 450000 ~ 459999 (Count: 10,000) Example: +351-254-450000 / 00351-254-450000 (254-450000 / -254-450000) +351-254-450001 / 00351-254-450001 (254-450001 / -254-450001) +351-254-450002 / 00351-254-450002 (254-450002 / -254-450002) +351-254-450003 / 00351-254-450003 (254-450003 / -254-450003) +351-254-450004 / 00351-254-450004 (254-450004 / -254-450004) ...+351-254-xxxxxx / 00351-254-xxxxxx (254-xxxxxx / -254-xxxxxx) ...+351-254-459995 / 00351-254-459995 (254-459995 / -254-459995) +351-254-459996 / 00351-254-459996 (254-459996 / -254-459996) +351-254-459997 / 00351-254-459997 (254-459997 / -254-459997) +351-254-459998 / 00351-254-459998 (254-459998 / -254-459998) +351-254-459999 / 00351-254-459999 (254-459999 / -254-459999)