Area Code +1-603-(5880000...5880999) located in Antrim, New Hampshire (NH), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 603 Subscriber Number From : 5880000 Subscriber Number To : 5880999 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 : CONTOOCOOK VLY TEL 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 : NH Region Name : New Hampshire City : Antrim Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.0300 Longitude : -71.9400 ‹ previous : +1-603-(5879000...5879999) next › : +1-603-(5881000...5881999) Dialling Instructions For trunk calls: 0 603 5880000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 603 5880000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5880000 ~ 5880999 (Count: 1,000) Example: +1-603-5880000 / 0111-603-5880000 (1603-5880000 / 1-603-5880000) +1-603-5880001 / 0111-603-5880001 (1603-5880001 / 1-603-5880001) +1-603-5880002 / 0111-603-5880002 (1603-5880002 / 1-603-5880002) +1-603-5880003 / 0111-603-5880003 (1603-5880003 / 1-603-5880003) +1-603-5880004 / 0111-603-5880004 (1603-5880004 / 1-603-5880004) ...+1-603-xxxxxxx / 0111-603-xxxxxxx (1603-xxxxxxx / 1-603-xxxxxxx) ...+1-603-5880995 / 0111-603-5880995 (1603-5880995 / 1-603-5880995) +1-603-5880996 / 0111-603-5880996 (1603-5880996 / 1-603-5880996) +1-603-5880997 / 0111-603-5880997 (1603-5880997 / 1-603-5880997) +1-603-5880998 / 0111-603-5880998 (1603-5880998 / 1-603-5880998) +1-603-5880999 / 0111-603-5880999 (1603-5880999 / 1-603-5880999)