Area Code +1-978-(3788000...3788999) located in Amesbury, Massachusetts (MA), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 978 Subscriber Number From : 3788000 Subscriber Number To : 3788999 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 : LEVEL 3 COMM - MA 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 : MA Region Name : Massachusetts City : Amesbury Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 42.8600 Longitude : -70.9300 ‹ previous : +1-978-(3787000...3787999) next › : +1-978-(3789000...3789999) Dialling Instructions For trunk calls: 0 978 3788000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 978 3788000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3788000 ~ 3788999 (Count: 1,000) Example: +1-978-3788000 / 0111-978-3788000 (1978-3788000 / 1-978-3788000) +1-978-3788001 / 0111-978-3788001 (1978-3788001 / 1-978-3788001) +1-978-3788002 / 0111-978-3788002 (1978-3788002 / 1-978-3788002) +1-978-3788003 / 0111-978-3788003 (1978-3788003 / 1-978-3788003) +1-978-3788004 / 0111-978-3788004 (1978-3788004 / 1-978-3788004) ...+1-978-xxxxxxx / 0111-978-xxxxxxx (1978-xxxxxxx / 1-978-xxxxxxx) ...+1-978-3788995 / 0111-978-3788995 (1978-3788995 / 1-978-3788995) +1-978-3788996 / 0111-978-3788996 (1978-3788996 / 1-978-3788996) +1-978-3788997 / 0111-978-3788997 (1978-3788997 / 1-978-3788997) +1-978-3788998 / 0111-978-3788998 (1978-3788998 / 1-978-3788998) +1-978-3788999 / 0111-978-3788999 (1978-3788999 / 1-978-3788999)