Area Code +420-233-(370000...383999) located in All locations, Prague (PR), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 233 Subscriber Number From : 370000 Subscriber Number To : 383999 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 : +420-233-(350000...359999) next › : +420-233-(390000...390999) Dialling Instructions For trunk calls: - 233 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 233 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 383999 (Count: 14,000) Example: +420-233-370000 / 00420-233-370000 (233-370000 / -233-370000) +420-233-370001 / 00420-233-370001 (233-370001 / -233-370001) +420-233-370002 / 00420-233-370002 (233-370002 / -233-370002) +420-233-370003 / 00420-233-370003 (233-370003 / -233-370003) +420-233-370004 / 00420-233-370004 (233-370004 / -233-370004) ...+420-233-xxxxxx / 00420-233-xxxxxx (233-xxxxxx / -233-xxxxxx) ...+420-233-383995 / 00420-233-383995 (233-383995 / -233-383995) +420-233-383996 / 00420-233-383996 (233-383996 / -233-383996) +420-233-383997 / 00420-233-383997 (233-383997 / -233-383997) +420-233-383998 / 00420-233-383998 (233-383998 / -233-383998) +420-233-383999 / 00420-233-383999 (233-383999 / -233-383999)