Area Code +1-231-(2300000...2309999) located in Elmira, Michigan (MI), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 231 Subscriber Number From : 2300000 Subscriber Number To : 2309999 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 : TELNET WORLDWIDE 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 : MI Region Name : Michigan City : Elmira Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 45.0600 Longitude : -84.8600 ‹ previous : +1-231-(2290000...2299999) next › : +1-231-(2320000...2329999) Dialling Instructions For trunk calls: 0 231 2300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 2300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2300000 ~ 2309999 (Count: 10,000) Example: +1-231-2300000 / 0111-231-2300000 (1231-2300000 / 1-231-2300000) +1-231-2300001 / 0111-231-2300001 (1231-2300001 / 1-231-2300001) +1-231-2300002 / 0111-231-2300002 (1231-2300002 / 1-231-2300002) +1-231-2300003 / 0111-231-2300003 (1231-2300003 / 1-231-2300003) +1-231-2300004 / 0111-231-2300004 (1231-2300004 / 1-231-2300004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-2309995 / 0111-231-2309995 (1231-2309995 / 1-231-2309995) +1-231-2309996 / 0111-231-2309996 (1231-2309996 / 1-231-2309996) +1-231-2309997 / 0111-231-2309997 (1231-2309997 / 1-231-2309997) +1-231-2309998 / 0111-231-2309998 (1231-2309998 / 1-231-2309998) +1-231-2309999 / 0111-231-2309999 (1231-2309999 / 1-231-2309999)