Area Code +1-603-(2003000...2003999) located in Newmarket, 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 : 2003000 Subscriber Number To : 2003999 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 : BROOKS FIBER COM-NH 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 : Newmarket Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.0800 Longitude : -70.9400 ‹ previous : +1-603-(2000000...2000999) next › : +1-603-(2006000...2006999) Dialling Instructions For trunk calls: 0 603 2003000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 603 2003000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2003000 ~ 2003999 (Count: 1,000) Example: +1-603-2003000 / 0111-603-2003000 (1603-2003000 / 1-603-2003000) +1-603-2003001 / 0111-603-2003001 (1603-2003001 / 1-603-2003001) +1-603-2003002 / 0111-603-2003002 (1603-2003002 / 1-603-2003002) +1-603-2003003 / 0111-603-2003003 (1603-2003003 / 1-603-2003003) +1-603-2003004 / 0111-603-2003004 (1603-2003004 / 1-603-2003004) ...+1-603-xxxxxxx / 0111-603-xxxxxxx (1603-xxxxxxx / 1-603-xxxxxxx) ...+1-603-2003995 / 0111-603-2003995 (1603-2003995 / 1-603-2003995) +1-603-2003996 / 0111-603-2003996 (1603-2003996 / 1-603-2003996) +1-603-2003997 / 0111-603-2003997 (1603-2003997 / 1-603-2003997) +1-603-2003998 / 0111-603-2003998 (1603-2003998 / 1-603-2003998) +1-603-2003999 / 0111-603-2003999 (1603-2003999 / 1-603-2003999)