Area Code +1-603-(2040000...2040999) located in Nashua, 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 : 2040000 Subscriber Number To : 2040999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : BELL ATLANTIC MOBILE 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 : Nashua Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 42.7600 Longitude : -71.4600 ‹ previous : +1-603-(2039000...2039999) next › : +1-603-(2041000...2041999) Dialling Instructions For trunk calls: 0 603 2040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 603 2040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2040000 ~ 2040999 (Count: 1,000) Example: +1-603-2040000 / 0111-603-2040000 (1603-2040000 / 1-603-2040000) +1-603-2040001 / 0111-603-2040001 (1603-2040001 / 1-603-2040001) +1-603-2040002 / 0111-603-2040002 (1603-2040002 / 1-603-2040002) +1-603-2040003 / 0111-603-2040003 (1603-2040003 / 1-603-2040003) +1-603-2040004 / 0111-603-2040004 (1603-2040004 / 1-603-2040004) ...+1-603-xxxxxxx / 0111-603-xxxxxxx (1603-xxxxxxx / 1-603-xxxxxxx) ...+1-603-2040995 / 0111-603-2040995 (1603-2040995 / 1-603-2040995) +1-603-2040996 / 0111-603-2040996 (1603-2040996 / 1-603-2040996) +1-603-2040997 / 0111-603-2040997 (1603-2040997 / 1-603-2040997) +1-603-2040998 / 0111-603-2040998 (1603-2040998 / 1-603-2040998) +1-603-2040999 / 0111-603-2040999 (1603-2040999 / 1-603-2040999)