Area Code +1-314-(4721000...4721999) located in Sappington, Missouri (MO), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 314 Subscriber Number From : 4721000 Subscriber Number To : 4721999 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 : ALLEGIANCE TELCOM MO 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 : MO Region Name : Missouri City : Sappington Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.5300 Longitude : -90.3800 ‹ previous : +1-314-(4720000...4720999) next › : +1-314-(4722000...4722999) Dialling Instructions For trunk calls: 0 314 4721000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 314 4721000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4721000 ~ 4721999 (Count: 1,000) Example: +1-314-4721000 / 0111-314-4721000 (1314-4721000 / 1-314-4721000) +1-314-4721001 / 0111-314-4721001 (1314-4721001 / 1-314-4721001) +1-314-4721002 / 0111-314-4721002 (1314-4721002 / 1-314-4721002) +1-314-4721003 / 0111-314-4721003 (1314-4721003 / 1-314-4721003) +1-314-4721004 / 0111-314-4721004 (1314-4721004 / 1-314-4721004) ...+1-314-xxxxxxx / 0111-314-xxxxxxx (1314-xxxxxxx / 1-314-xxxxxxx) ...+1-314-4721995 / 0111-314-4721995 (1314-4721995 / 1-314-4721995) +1-314-4721996 / 0111-314-4721996 (1314-4721996 / 1-314-4721996) +1-314-4721997 / 0111-314-4721997 (1314-4721997 / 1-314-4721997) +1-314-4721998 / 0111-314-4721998 (1314-4721998 / 1-314-4721998) +1-314-4721999 / 0111-314-4721999 (1314-4721999 / 1-314-4721999)