Area Code +1-978-(3915000...3915999) located in Ayer, 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 : 3915000 Subscriber Number To : 3915999 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 : DSCI LLC 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 : Ayer Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 42.5600 Longitude : -71.5900 ‹ previous : +1-978-(3914000...3914999) next › : +1-978-(3916000...3916999) Dialling Instructions For trunk calls: 0 978 3915000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 978 3915000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3915000 ~ 3915999 (Count: 1,000) Example: +1-978-3915000 / 0111-978-3915000 (1978-3915000 / 1-978-3915000) +1-978-3915001 / 0111-978-3915001 (1978-3915001 / 1-978-3915001) +1-978-3915002 / 0111-978-3915002 (1978-3915002 / 1-978-3915002) +1-978-3915003 / 0111-978-3915003 (1978-3915003 / 1-978-3915003) +1-978-3915004 / 0111-978-3915004 (1978-3915004 / 1-978-3915004) ...+1-978-xxxxxxx / 0111-978-xxxxxxx (1978-xxxxxxx / 1-978-xxxxxxx) ...+1-978-3915995 / 0111-978-3915995 (1978-3915995 / 1-978-3915995) +1-978-3915996 / 0111-978-3915996 (1978-3915996 / 1-978-3915996) +1-978-3915997 / 0111-978-3915997 (1978-3915997 / 1-978-3915997) +1-978-3915998 / 0111-978-3915998 (1978-3915998 / 1-978-3915998) +1-978-3915999 / 0111-978-3915999 (1978-3915999 / 1-978-3915999)