Area Code +1-580-(3640000...3640999) located in Atoka, Oklahoma (OK), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 580 Subscriber Number From : 3640000 Subscriber Number To : 3640999 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 : SOUTHWESTERN BELL 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 : Atoka Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 34.3800 Longitude : -96.1300 ‹ previous : +1-580-(3630000...3639999) next › : +1-580-(3641000...3641999) Dialling Instructions For trunk calls: 0 580 3640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 580 3640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3640000 ~ 3640999 (Count: 1,000) Example: +1-580-3640000 / 0111-580-3640000 (1580-3640000 / 1-580-3640000) +1-580-3640001 / 0111-580-3640001 (1580-3640001 / 1-580-3640001) +1-580-3640002 / 0111-580-3640002 (1580-3640002 / 1-580-3640002) +1-580-3640003 / 0111-580-3640003 (1580-3640003 / 1-580-3640003) +1-580-3640004 / 0111-580-3640004 (1580-3640004 / 1-580-3640004) ...+1-580-xxxxxxx / 0111-580-xxxxxxx (1580-xxxxxxx / 1-580-xxxxxxx) ...+1-580-3640995 / 0111-580-3640995 (1580-3640995 / 1-580-3640995) +1-580-3640996 / 0111-580-3640996 (1580-3640996 / 1-580-3640996) +1-580-3640997 / 0111-580-3640997 (1580-3640997 / 1-580-3640997) +1-580-3640998 / 0111-580-3640998 (1580-3640998 / 1-580-3640998) +1-580-3640999 / 0111-580-3640999 (1580-3640999 / 1-580-3640999)