Area Code +1-405-(2170000...2170999) located in Norman, Oklahoma (OK), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 405 Subscriber Number From : 2170000 Subscriber Number To : 2170999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : LEVEL 3 COMM - OK Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : OK Region Name : Oklahoma City : Norman Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 35.2200 Longitude : -97.4400 ‹ previous : +1-405-(2169000...2169999) next › : +1-405-(2171000...2171999) Dialling Instructions For trunk calls: 0 405 2170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 405 2170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2170000 ~ 2170999 (Count: 1,000) Example: +1-405-2170000 / 0111-405-2170000 (1405-2170000 / 1-405-2170000) +1-405-2170001 / 0111-405-2170001 (1405-2170001 / 1-405-2170001) +1-405-2170002 / 0111-405-2170002 (1405-2170002 / 1-405-2170002) +1-405-2170003 / 0111-405-2170003 (1405-2170003 / 1-405-2170003) +1-405-2170004 / 0111-405-2170004 (1405-2170004 / 1-405-2170004) ...+1-405-xxxxxxx / 0111-405-xxxxxxx (1405-xxxxxxx / 1-405-xxxxxxx) ...+1-405-2170995 / 0111-405-2170995 (1405-2170995 / 1-405-2170995) +1-405-2170996 / 0111-405-2170996 (1405-2170996 / 1-405-2170996) +1-405-2170997 / 0111-405-2170997 (1405-2170997 / 1-405-2170997) +1-405-2170998 / 0111-405-2170998 (1405-2170998 / 1-405-2170998) +1-405-2170999 / 0111-405-2170999 (1405-2170999 / 1-405-2170999)