Area Code +1-580-(2030000...2039999) located in Fort Towson, 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 : 2030000 Subscriber Number To : 2039999 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 : FULLTEL INC. 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 : Fort Towson Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 34.0200 Longitude : -95.2700 ‹ previous : +1-580-(2020000...2029999) next › : +1-580-(2040000...2049999) Dialling Instructions For trunk calls: 0 580 2030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 580 2030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2030000 ~ 2039999 (Count: 10,000) Example: +1-580-2030000 / 0111-580-2030000 (1580-2030000 / 1-580-2030000) +1-580-2030001 / 0111-580-2030001 (1580-2030001 / 1-580-2030001) +1-580-2030002 / 0111-580-2030002 (1580-2030002 / 1-580-2030002) +1-580-2030003 / 0111-580-2030003 (1580-2030003 / 1-580-2030003) +1-580-2030004 / 0111-580-2030004 (1580-2030004 / 1-580-2030004) ...+1-580-xxxxxxx / 0111-580-xxxxxxx (1580-xxxxxxx / 1-580-xxxxxxx) ...+1-580-2039995 / 0111-580-2039995 (1580-2039995 / 1-580-2039995) +1-580-2039996 / 0111-580-2039996 (1580-2039996 / 1-580-2039996) +1-580-2039997 / 0111-580-2039997 (1580-2039997 / 1-580-2039997) +1-580-2039998 / 0111-580-2039998 (1580-2039998 / 1-580-2039998) +1-580-2039999 / 0111-580-2039999 (1580-2039999 / 1-580-2039999)