Landline
Level 3 Communications, LLC - AK
2004/11/01
(240) 284-0
Landline
Bandwidth.com CLEC, LLC - MD
2004/11/08
(240) 284-1
Landline
Idt America, Corp. - MD
2006/02/10
(240) 284-2
Landline
Comcast IP Phone, LLC
2010/02/23
(240) 284-3
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/05
(240) 284-4
Landline
Level 3 Communications, LLC - AK
2005/01/18
(240) 284-5
Landline
Level 3 Communications, LLC - AK
2006/07/03
(240) 284-6
Landline
Bandwidth.com CLEC, LLC - MD
2011/06/08
(240) 284-7
Landline
Teleport Communications America - ID - LLC
2014/09/30
(240) 284-8
Landline
Bandwidth.com CLEC, LLC - MD
2010/05/28
(240) 284-9
Landline
Bandwidth.com CLEC, LLC - MD
2015/02/03
Landline
Mcimetro Access Transmission Services LLC
2016/01/06
(240) 657-0
Landline
Bandwidth.com CLEC, LLC - MD
2016/06/15
(240) 657-1
Landline
Onvoy, LLC - MD
2016/08/30
(240) 657-2
Landline
Onvoy, LLC - MD
2016/08/30
(240) 657-3
Landline
Mcimetro Access Transmission Services LLC
2016/01/08
(240) 657-4
Landline
Core Communications, Inc.- MD
2018/05/24
(240) 657-5
Landline
Core Communications, Inc.- MD
2018/05/24
(240) 657-6
Landline
Core Communications, Inc.- MD
2018/05/24
(240) 657-7
Landline
Centurylink Communications LLC
2016/09/26
(240) 657-8
Unknown
Shentel Communications, LLC. - MD
2020/10/12
(240) 657-9
Landline
Telnyx LLC
2017/07/27
Landline
Radiantiq LLC
2021/03/15
(240) 824-0
Landline
Onvoy, LLC - MD
2021/03/31
(240) 824-1
Landline
Onvoy, LLC - MD
2021/03/31
(240) 824-2
Landline
Radiantiq LLC
2021/03/17
(240) 824-4
Landline
Onvoy, LLC - MD
2021/04/21
(240) 824-5
Landline
Onvoy, LLC - MD
2021/06/15
(240) 824-6
Landline
Onvoy, LLC - MD
2021/06/15
(240) 824-8
Wireless
Onvoy Spectrum, LLC
2021/04/27
Landline
Verizon Maryland, Inc.
-
(301) 687-0
Landline
Verizon Maryland, Inc.
-
(301) 687-1
Landline
Verizon Maryland, Inc.
-
(301) 687-2
Landline
Bandwidth.com CLEC, LLC - MD
2015/09/28
(301) 687-3
Landline
Verizon Maryland, Inc.
-
(301) 687-4
Landline
Verizon Maryland, Inc.
-
(301) 687-5
Landline
Verizon Maryland, Inc.
-
(301) 687-6
Landline
Verizon Maryland, Inc.
-
(301) 687-7
Landline
Verizon Maryland, Inc.
-
(301) 687-8
Landline
Fibernet, LLC - WV
2004/01/23
(301) 687-9
Landline
Terra Nova Telecom Inc.
2020/12/02
Landline
Verizon Maryland, Inc.
-
(301) 689-0
Landline
Verizon Maryland, Inc.
-
(301) 689-1
Landline
Verizon Maryland, Inc.
-
(301) 689-2
Landline
Verizon Maryland, Inc.
-
(301) 689-3
Landline
Verizon Maryland, Inc.
-
(301) 689-4
Landline
Core Communications, Inc.- MD
2004/02/27
(301) 689-5
Landline
Verizon Maryland, Inc.
-
(301) 689-6
Landline
Verizon Maryland, Inc.
-
(301) 689-7
Landline
Verizon Maryland, Inc.
-
(301) 689-8
Landline
Verizon Maryland, Inc.
-
(301) 689-9
Landline
Verizon Maryland, Inc.
-
(301) 781
Landline
New Frontiers Telecommunications, Inc.
-