Area Code +1-309-(5520000...5520999) located in Atkinson, Illinois (IL), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 309 Subscriber Number From : 5520000 Subscriber Number To : 5520999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : MEDIACOM TEL OF IL 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 : IL Region Name : Illinois City : Atkinson Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.4200 Longitude : -90.0100 ‹ previous : +1-309-(5519000...5519999) next › : +1-309-(5521000...5521999) Dialling Instructions For trunk calls: 0 309 5520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 309 5520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5520000 ~ 5520999 (Count: 1,000) Example: +1-309-5520000 / 0111-309-5520000 (1309-5520000 / 1-309-5520000) +1-309-5520001 / 0111-309-5520001 (1309-5520001 / 1-309-5520001) +1-309-5520002 / 0111-309-5520002 (1309-5520002 / 1-309-5520002) +1-309-5520003 / 0111-309-5520003 (1309-5520003 / 1-309-5520003) +1-309-5520004 / 0111-309-5520004 (1309-5520004 / 1-309-5520004) ...+1-309-xxxxxxx / 0111-309-xxxxxxx (1309-xxxxxxx / 1-309-xxxxxxx) ...+1-309-5520995 / 0111-309-5520995 (1309-5520995 / 1-309-5520995) +1-309-5520996 / 0111-309-5520996 (1309-5520996 / 1-309-5520996) +1-309-5520997 / 0111-309-5520997 (1309-5520997 / 1-309-5520997) +1-309-5520998 / 0111-309-5520998 (1309-5520998 / 1-309-5520998) +1-309-5520999 / 0111-309-5520999 (1309-5520999 / 1-309-5520999)