Area Code +420-221-(400000...404999) located in All locations, Prague (PR), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 221 Subscriber Number From : 400000 Subscriber Number To : 404999 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 : +420-221-(340000...349999) next › : +420-221-(406000...428999) Dialling Instructions For trunk calls: - 221 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 221 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 404999 (Count: 5,000) Example: +420-221-400000 / 00420-221-400000 (221-400000 / -221-400000) +420-221-400001 / 00420-221-400001 (221-400001 / -221-400001) +420-221-400002 / 00420-221-400002 (221-400002 / -221-400002) +420-221-400003 / 00420-221-400003 (221-400003 / -221-400003) +420-221-400004 / 00420-221-400004 (221-400004 / -221-400004) ...+420-221-xxxxxx / 00420-221-xxxxxx (221-xxxxxx / -221-xxxxxx) ...+420-221-404995 / 00420-221-404995 (221-404995 / -221-404995) +420-221-404996 / 00420-221-404996 (221-404996 / -221-404996) +420-221-404997 / 00420-221-404997 (221-404997 / -221-404997) +420-221-404998 / 00420-221-404998 (221-404998 / -221-404998) +420-221-404999 / 00420-221-404999 (221-404999 / -221-404999)