Area Code +1-978-(3912000...3912999) 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 : 3912000 Subscriber Number To : 3912999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : CTC COMMS CORP. - 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 : 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-(3911000...3911999) next › : +1-978-(3913000...3913999) Dialling Instructions For trunk calls: 0 978 3912000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 978 3912000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3912000 ~ 3912999 (Count: 1,000) Example: +1-978-3912000 / 0111-978-3912000 (1978-3912000 / 1-978-3912000) +1-978-3912001 / 0111-978-3912001 (1978-3912001 / 1-978-3912001) +1-978-3912002 / 0111-978-3912002 (1978-3912002 / 1-978-3912002) +1-978-3912003 / 0111-978-3912003 (1978-3912003 / 1-978-3912003) +1-978-3912004 / 0111-978-3912004 (1978-3912004 / 1-978-3912004) ...+1-978-xxxxxxx / 0111-978-xxxxxxx (1978-xxxxxxx / 1-978-xxxxxxx) ...+1-978-3912995 / 0111-978-3912995 (1978-3912995 / 1-978-3912995) +1-978-3912996 / 0111-978-3912996 (1978-3912996 / 1-978-3912996) +1-978-3912997 / 0111-978-3912997 (1978-3912997 / 1-978-3912997) +1-978-3912998 / 0111-978-3912998 (1978-3912998 / 1-978-3912998) +1-978-3912999 / 0111-978-3912999 (1978-3912999 / 1-978-3912999)