Area Code +1-641-(7421000...7421999) 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 : 7421000 Subscriber Number To : 7421999 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-(7420000...7420999) next › : +1-641-(7423000...7423999) Dialling Instructions For trunk calls: 0 641 7421000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 641 7421000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7421000 ~ 7421999 (Count: 1,000) Example: +1-641-7421000 / 0111-641-7421000 (1641-7421000 / 1-641-7421000) +1-641-7421001 / 0111-641-7421001 (1641-7421001 / 1-641-7421001) +1-641-7421002 / 0111-641-7421002 (1641-7421002 / 1-641-7421002) +1-641-7421003 / 0111-641-7421003 (1641-7421003 / 1-641-7421003) +1-641-7421004 / 0111-641-7421004 (1641-7421004 / 1-641-7421004) ...+1-641-xxxxxxx / 0111-641-xxxxxxx (1641-xxxxxxx / 1-641-xxxxxxx) ...+1-641-7421995 / 0111-641-7421995 (1641-7421995 / 1-641-7421995) +1-641-7421996 / 0111-641-7421996 (1641-7421996 / 1-641-7421996) +1-641-7421997 / 0111-641-7421997 (1641-7421997 / 1-641-7421997) +1-641-7421998 / 0111-641-7421998 (1641-7421998 / 1-641-7421998) +1-641-7421999 / 0111-641-7421999 (1641-7421999 / 1-641-7421999)