Area Code +1-816-(6621000...6621999) located in Avenue City, Missouri (MO), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 816 Subscriber Number From : 6621000 Subscriber Number To : 6621999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : CENTURYLINK 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 : Avenue City Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.8800 Longitude : -94.7800 ‹ previous : +1-816-(6619000...6619999) next › : +1-816-(6622000...6622999) Dialling Instructions For trunk calls: 0 816 6621000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 816 6621000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6621000 ~ 6621999 (Count: 1,000) Example: +1-816-6621000 / 0111-816-6621000 (1816-6621000 / 1-816-6621000) +1-816-6621001 / 0111-816-6621001 (1816-6621001 / 1-816-6621001) +1-816-6621002 / 0111-816-6621002 (1816-6621002 / 1-816-6621002) +1-816-6621003 / 0111-816-6621003 (1816-6621003 / 1-816-6621003) +1-816-6621004 / 0111-816-6621004 (1816-6621004 / 1-816-6621004) ...+1-816-xxxxxxx / 0111-816-xxxxxxx (1816-xxxxxxx / 1-816-xxxxxxx) ...+1-816-6621995 / 0111-816-6621995 (1816-6621995 / 1-816-6621995) +1-816-6621996 / 0111-816-6621996 (1816-6621996 / 1-816-6621996) +1-816-6621997 / 0111-816-6621997 (1816-6621997 / 1-816-6621997) +1-816-6621998 / 0111-816-6621998 (1816-6621998 / 1-816-6621998) +1-816-6621999 / 0111-816-6621999 (1816-6621999 / 1-816-6621999)