Preston, Maryland Area Codes

Map of Preston

Local time – 1 timezone

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Atlantic timezone

Prefixes – 2 codes

Prefix
Type
Location
Carrier
Assigned
Landline
Verizon Maryland, Inc.
-
(410) 673-0
Landline
Core Communications, Inc.- MD
2004/03/05
(410) 673-1
Landline
Verizon Maryland, Inc.
-
(410) 673-2
Landline
Verizon Maryland, Inc.
-
(410) 673-3
Landline
Telnyx LLC
2017/08/31
(410) 673-4
Landline
Onvoy, LLC - MD
2017/03/21
(410) 673-5
Landline
Terra Nova Telecom Inc.
2020/12/30
(410) 673-6
Landline
Core Communications, Inc.- MD
2019/02/27
(410) 673-7
Landline
Verizon Maryland, Inc.
-
(410) 673-8
Landline
Comcast IP Phone, LLC
2006/06/20
(410) 673-9
Landline
Verizon Maryland, Inc.
-
Landline
Core Communications, Inc.- MD
2018/06/12
(667) 238-0
Landline
Core Communications, Inc.- MD
2018/06/13
(667) 238-1
Landline
Core Communications, Inc.- MD
2018/06/13
(667) 238-2
Landline
Core Communications, Inc.- MD
2018/06/13
(667) 238-3
Landline
Onvoy, LLC - MD
2021/02/05
(667) 238-4
Landline
Core Communications, Inc.- MD
2019/04/16
(667) 238-5
Landline
Radiantiq LLC
2021/03/15
(667) 238-6
Landline
Core Communications, Inc.- MD
2019/04/16
(667) 238-7
Landline
Core Communications, Inc.- MD
2019/04/16
(667) 238-8
Landline
Onvoy, LLC - MD
2019/02/06
(667) 238-9
Landline
Onvoy, LLC - MD
2019/02/06