Landline
Cavalier East, LLC - MD
-
(240) 207-0
Landline
Cavalier East, LLC - MD
-
(240) 207-1
Landline
Bandwidth.com CLEC, LLC - MD
2010/09/17
(240) 207-2
Landline
Lightwave Communications, LLC - MD
2005/06/29
(240) 207-3
Landline
Comcast IP Phone, LLC
2005/06/30
(240) 207-4
Landline
Level 3 Communications, LLC - AK
2006/02/23
(240) 207-5
Landline
Cavalier East, LLC - MD
-
(240) 207-6
Landline
Bandwidth.com CLEC, LLC - MD
2007/08/17
(240) 207-8
Wireless
Onvoy Spectrum, LLC
2021/04/21
(240) 207-9
Landline
Cavalier East, LLC - MD
-
Wireless
New Cingular Wireless PCS, LLC
-
(240) 308-0
Wireless
New Cingular Wireless PCS, LLC
-
(240) 308-1
Wireless
New Cingular Wireless PCS, LLC
-
(240) 308-2
Wireless
New Cingular Wireless PCS, LLC
-
(240) 308-3
Wireless
New Cingular Wireless PCS, LLC
2013/07/01
(240) 308-4
Wireless
New Cingular Wireless PCS, LLC
2014/04/11
(240) 308-5
Wireless
New Cingular Wireless PCS, LLC
2016/02/12
(240) 308-6
Landline
Level 3 Communications, LLC - AK
2006/11/09
(240) 308-7
Landline
Mcimetro Access Transmission Services LLC
2006/11/30
(240) 308-8
Landline
Bandwidth.com CLEC, LLC - MD
2011/04/20
(240) 308-9
Wireless
New Cingular Wireless PCS, LLC
-
(240) 325
Landline
Core Communications, Inc.- MD
-
Landline
Peerless Network of Maryland, LLC
-
(240) 358-0
Landline
Telnyx LLC
2019/11/07
(240) 358-1
Landline
Radiantiq LLC
2021/05/10
(240) 358-3
Landline
Onvoy, LLC - MD
2021/06/16
(240) 358-5
Landline
Peerless Network of Maryland, LLC
-
(240) 358-9
Landline
Peerless Network of Maryland, LLC
-
(240) 365
Landline
Baltimore-washington Telephone (Bwt)
-
Landline
Starpower Communications, LLC - DC
-
(240) 668-0
Landline
Level 3 Communications, LLC - AK
2008/05/06
(240) 668-1
Landline
Starpower Communications, LLC - DC
-
(240) 668-2
Landline
Xo Maryland, LLC
2005/10/25
(240) 668-3
Landline
Xo Maryland, LLC
2005/10/25
(240) 668-4
Landline
Bandwidth.com CLEC, LLC - MD
2009/01/09
(240) 668-5
Landline
Xo Maryland, LLC
2005/10/25
(240) 668-6
Landline
Xo Maryland, LLC
2005/10/25
(240) 668-7
Landline
Starpower Communications, LLC - DC
-
(240) 668-8
Landline
Starpower Communications, LLC - DC
-
(240) 668-9
Landline
Xo Maryland, LLC
2005/10/25
Landline
Xo Maryland, LLC
-
(240) 745-0
Landline
Xo Maryland, LLC
-
(240) 745-1
Landline
Us Lec of Maryland, Inc.
2004/01/15
(240) 745-2
Landline
Comcast IP Phone, LLC
2013/05/06
(240) 745-3
Landline
Xo Maryland, LLC
-
(240) 745-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/07/19
(240) 745-5
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(240) 745-6
Landline
Bandwidth.com CLEC, LLC - MD
2013/06/25
(240) 745-7
Landline
Onvoy, LLC - MD
2015/05/28
(240) 745-8
Landline
Local Access LLC - MD
2015/02/19
(240) 745-9
Landline
Core Communications, Inc.- MD
2019/04/11
Landline
Global Crossing Local Services, Inc. - KY
-
(240) 782-0
Landline
Global Crossing Local Services, Inc. - KY
-
(240) 782-1
Landline
Global Crossing Local Services, Inc. - KY
-
(240) 782-2
Landline
Onvoy, LLC - MD
2014/10/09
(240) 782-3
Landline
Onvoy, LLC - MD
2014/10/09
(240) 782-4
Landline
Global Crossing Local Services, Inc. - KY
-
(240) 782-5
Wireless
New Cingular Wireless PCS, LLC
2021/03/10
(240) 782-6
Landline
Bandwidth.com CLEC, LLC - MD
2015/06/08
(240) 782-7
Landline
Centurylink Communications, LLC LA
2014/05/27
(240) 782-8
Landline
Peerless Network of Maryland, LLC
2013/04/04
(240) 782-9
Landline
Peerless Network of Maryland, LLC
2013/04/04
(240) 976
Landline
Baltimore-washington Telephone (Bwt)
-
(301) 253
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 368-0
Landline
Terra Nova Telecom Inc.
2020/12/30
(301) 368-1
Landline
Verizon Maryland, Inc.
-
(301) 368-2
Landline
Paetec Communications, Inc. - CA
2007/07/24
(301) 368-3
Landline
Verizon Maryland, Inc.
-
(301) 368-4
Wireless
New Cingular Wireless PCS, LLC
2017/09/20
(301) 368-5
Landline
Core Communications, Inc.- MD
2019/04/11
(301) 368-6
Landline
Telnyx LLC
2018/10/08
(301) 368-7
Landline
Core Communications, Inc.- MD
2019/04/11
(301) 368-8
Landline
Telnyx LLC
2017/04/17
(301) 368-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 391-0
Landline
Local Access LLC - MD
2016/05/02
(301) 391-1
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 391-2
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 391-3
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 391-4
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 391-5
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 391-6
Landline
Verizon Maryland, Inc.
-
(301) 391-7
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 391-8
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 391-9
Landline
Core Communications, Inc.- MD
2018/10/10
Landline
Verizon Maryland, Inc.
-
(301) 414-0
Landline
Verizon Maryland, Inc.
-
(301) 414-1
Landline
Core Communications, Inc.- MD
2019/07/01
(301) 414-2
Landline
Verizon Maryland, Inc.
-
(301) 414-3
Landline
Core Communications, Inc.- MD
2019/07/01
(301) 414-4
Landline
Core Communications, Inc.- MD
2019/07/01
(301) 414-5
Landline
Core Communications, Inc.- MD
2019/04/11
(301) 414-6
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 414-7
Landline
Verizon Maryland, Inc.
-
(301) 414-8
Landline
Onvoy, LLC - MD
2016/02/12
(301) 414-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 482-0
Landline
Verizon Maryland, Inc.
-
(301) 482-1
Landline
Verizon Maryland, Inc.
-
(301) 482-2
Landline
Verizon Maryland, Inc.
-
(301) 482-3
Landline
Verizon Maryland, Inc.
-
(301) 482-4
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 482-5
Landline
Core Communications, Inc.- MD
2019/04/11
(301) 482-6
Landline
Verizon Maryland, Inc.
-
(301) 482-7
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 482-8
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 482-9
Landline
Core Communications, Inc.- MD
2019/04/11
Landline
Teleport Communications America - ID - LLC
-
(301) 685-0
Landline
Onvoy, LLC - MD
2012/09/11
(301) 685-1
Landline
Level 3 Communications, LLC - AK
2003/02/28
(301) 685-2
Landline
Core Communications, Inc.- MD
2019/04/11
(301) 685-3
Landline
Paetec Communications, Inc. - CA
2004/09/16
(301) 685-4
Landline
Core Communications, Inc.- MD
2019/04/11
(301) 685-5
Landline
Level 3 Communications, LLC - AK
2004/12/20
(301) 685-6
Landline
Level 3 Communications, LLC - AK
2004/12/20
(301) 685-7
Landline
Onvoy, LLC - MD
2016/02/12
(301) 685-8
Landline
Quantum Telecommunications, Inc. - MD
2003/10/23
(301) 685-9
Landline
Teleport Communications America - ID - LLC
-