Area Code +420-251-(450000...459999) located in All locations, Prague (PR), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 251 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 : Telefónica Czech Republic, a.s. Click here to buy Czech Republic Area Code Database Other Information Language Code : cs (Czech) Country Number : 203 (Czech Republic) Country Code : CZ (Czech Republic) Region Code : PR Region Name : Prague City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.0900 Longitude : 14.4200 ‹ previous : +420-251-(430000...449999) next › : +420-251-(510000...513999) Dialling Instructions For trunk calls: - 251 450000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 251 450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 450000 ~ 459999 (Count: 10,000) Example: +420-251-450000 / 00420-251-450000 (251-450000 / -251-450000) +420-251-450001 / 00420-251-450001 (251-450001 / -251-450001) +420-251-450002 / 00420-251-450002 (251-450002 / -251-450002) +420-251-450003 / 00420-251-450003 (251-450003 / -251-450003) +420-251-450004 / 00420-251-450004 (251-450004 / -251-450004) ...+420-251-xxxxxx / 00420-251-xxxxxx (251-xxxxxx / -251-xxxxxx) ...+420-251-459995 / 00420-251-459995 (251-459995 / -251-459995) +420-251-459996 / 00420-251-459996 (251-459996 / -251-459996) +420-251-459997 / 00420-251-459997 (251-459997 / -251-459997) +420-251-459998 / 00420-251-459998 (251-459998 / -251-459998) +420-251-459999 / 00420-251-459999 (251-459999 / -251-459999)