Area Code +1-641-(7423000...7423999) located in Adair, Iowa (IA), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 641 Subscriber Number From : 7423000 Subscriber Number To : 7423999 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 : WINDSTREAM IOWA SYS 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 : IA Region Name : Iowa City : Adair Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.5000 Longitude : -94.6400 ‹ previous : +1-641-(7421000...7421999) next › : +1-641-(7425000...7425999) Dialling Instructions For trunk calls: 0 641 7423000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 641 7423000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7423000 ~ 7423999 (Count: 1,000) Example: +1-641-7423000 / 0111-641-7423000 (1641-7423000 / 1-641-7423000) +1-641-7423001 / 0111-641-7423001 (1641-7423001 / 1-641-7423001) +1-641-7423002 / 0111-641-7423002 (1641-7423002 / 1-641-7423002) +1-641-7423003 / 0111-641-7423003 (1641-7423003 / 1-641-7423003) +1-641-7423004 / 0111-641-7423004 (1641-7423004 / 1-641-7423004) ...+1-641-xxxxxxx / 0111-641-xxxxxxx (1641-xxxxxxx / 1-641-xxxxxxx) ...+1-641-7423995 / 0111-641-7423995 (1641-7423995 / 1-641-7423995) +1-641-7423996 / 0111-641-7423996 (1641-7423996 / 1-641-7423996) +1-641-7423997 / 0111-641-7423997 (1641-7423997 / 1-641-7423997) +1-641-7423998 / 0111-641-7423998 (1641-7423998 / 1-641-7423998) +1-641-7423999 / 0111-641-7423999 (1641-7423999 / 1-641-7423999)