Area Code +420-770-(100000...499999) located in Public mobile network, more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 770 Subscriber Number From : 100000 Subscriber Number To : 499999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : Vodafone 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 : +420-770-(000000...099999) next › : +420-770-(500000...509999) Dialling Instructions For trunk calls: - 770 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 770 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 499999 (Count: 400,000) Example: +420-770-100000 / 00420-770-100000 (770-100000 / -770-100000) +420-770-100001 / 00420-770-100001 (770-100001 / -770-100001) +420-770-100002 / 00420-770-100002 (770-100002 / -770-100002) +420-770-100003 / 00420-770-100003 (770-100003 / -770-100003) +420-770-100004 / 00420-770-100004 (770-100004 / -770-100004) ...+420-770-xxxxxx / 00420-770-xxxxxx (770-xxxxxx / -770-xxxxxx) ...+420-770-499995 / 00420-770-499995 (770-499995 / -770-499995) +420-770-499996 / 00420-770-499996 (770-499996 / -770-499996) +420-770-499997 / 00420-770-499997 (770-499997 / -770-499997) +420-770-499998 / 00420-770-499998 (770-499998 / -770-499998) +420-770-499999 / 00420-770-499999 (770-499999 / -770-499999)