Area Code +420-721-(000000...999999) located in Public mobile network, more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 721 Subscriber Number From : 000000 Subscriber Number To : 999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) 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) City : Public mobile network Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.0800 Longitude : 14.4400 ‹ previous : +420-720-(000000...999999) next › : +420-722-(000000...999999) Dialling Instructions For trunk calls: - 721 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 721 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 999999 (Count: 1,000,000) Example: +420-721-000000 / 00420-721-000000 (721-000000 / -721-000000) +420-721-000001 / 00420-721-000001 (721-000001 / -721-000001) +420-721-000002 / 00420-721-000002 (721-000002 / -721-000002) +420-721-000003 / 00420-721-000003 (721-000003 / -721-000003) +420-721-000004 / 00420-721-000004 (721-000004 / -721-000004) ...+420-721-xxxxxx / 00420-721-xxxxxx (721-xxxxxx / -721-xxxxxx) ...+420-721-999995 / 00420-721-999995 (721-999995 / -721-999995) +420-721-999996 / 00420-721-999996 (721-999996 / -721-999996) +420-721-999997 / 00420-721-999997 (721-999997 / -721-999997) +420-721-999998 / 00420-721-999998 (721-999998 / -721-999998) +420-721-999999 / 00420-721-999999 (721-999999 / -721-999999)