Landline
Global Crossing Local Services, Inc. - KY
-
(240) 230-0
Landline
Global Crossing Local Services, Inc. - KY
-
(240) 230-1
Landline
Global Crossing Local Services, Inc. - KY
-
(240) 230-2
Wireless
Omnipoint Communications Cap Operations, LLC
2013/06/04
(240) 230-3
Landline
Level 3 Communications, LLC - AK
2005/12/05
(240) 230-4
Landline
Global Crossing Local Services, Inc. - KY
-
(240) 230-5
Landline
Global Crossing Local Services, Inc. - KY
-
(240) 230-6
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(240) 230-7
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/17
(240) 230-8
Landline
Level 3 Communications, LLC - AK
-
(240) 230-9
Landline
Global Crossing Local Services, Inc. - KY
-
Landline
Teleport Communications America - ID - LLC
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(240) 254-0
Landline
Xo Maryland, LLC
2005/07/20
(240) 254-1
Landline
Us Lec of Maryland, Inc.
2004/01/15
(240) 254-2
Landline
Comcast IP Phone, LLC
2005/06/30
(240) 254-3
Landline
Xo Maryland, LLC
2005/07/20
(240) 254-4
Wireless
Omnipoint Communications Cap Operations, LLC
2015/03/17
(240) 254-5
Landline
Xo Maryland, LLC
2005/07/20
(240) 254-6
Landline
Xo Maryland, LLC
2005/07/20
(240) 254-7
Wireless
Omnipoint Communications Cap Operations, LLC
2014/09/10
(240) 254-8
Landline
Core Communications, Inc.- MD
2004/02/26
(240) 254-9
Landline
Teleport Communications America - ID - LLC
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Wireless
Onvoy Spectrum, LLC
2021/04/22
(240) 259-0
Landline
Radiantiq LLC
2021/05/10
(240) 259-1
Wireless
Omnipoint Communications Cap Operations, LLC
2021/06/11
(240) 259-2
Wireless
Onvoy Spectrum, LLC
2021/04/22
Landline
Peerless Network of Maryland, LLC
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(240) 376-0
Wireless
Omnipoint Communications Cap Operations, LLC
2021/01/14
(240) 376-1
Landline
Peerless Network of Maryland, LLC
-
(240) 376-2
Landline
Onvoy, LLC - MD
2020/09/17
(240) 376-3
Landline
Onvoy, LLC - MD
2020/05/26
(240) 376-4
Landline
Onvoy, LLC - MD
2020/05/26
(240) 376-5
Landline
Onvoy, LLC - MD
2020/09/17
(240) 376-6
Landline
Onvoy, LLC - MD
2021/03/03
(240) 376-7
Landline
Onvoy, LLC - MD
2021/03/03
(240) 376-8
Wireless
Omnipoint Communications Cap Operations, LLC
2021/04/01
(240) 376-9
Landline
Peerless Network of Maryland, LLC
-
Landline
Level 3 Communications, LLC - AK
-
(240) 528-0
Wireless
Omnipoint Communications Cap Operations, LLC
2006/01/18
(240) 528-1
Wireless
Omnipoint Communications Cap Operations, LLC
2009/03/03
(240) 528-2
Landline
Comcast IP Phone, LLC
2015/04/14
(240) 528-3
Landline
Bandwidth.com CLEC, LLC - MD
2007/09/24
(240) 528-4
Landline
Level 3 Communications, LLC - AK
2004/02/10
(240) 528-5
Landline
Paetec Communications, Inc. - CA
2010/11/16
(240) 528-7
Landline
Bandwidth.com CLEC, LLC - MD
2011/02/10
(240) 528-8
Landline
Bandwidth.com CLEC, LLC - MD
2011/03/07
Landline
Core Communications, Inc.- MD
2018/06/11
(240) 598-0
Landline
Core Communications, Inc.- MD
2018/06/13
(240) 598-1
Landline
Core Communications, Inc.- MD
2018/06/13
(240) 598-2
Landline
Core Communications, Inc.- MD
2018/06/13
(240) 598-3
Landline
Peerless Network of Maryland, LLC
2019/05/28
(240) 598-4
Wireless
Omnipoint Communications Cap Operations, LLC
2019/09/10
(240) 598-5
Wireless
Omnipoint Communications Cap Operations, LLC
2020/04/07
(240) 598-6
Landline
Core Communications, Inc.- MD
2019/04/12
(240) 598-7
Landline
Core Communications, Inc.- MD
2019/04/12
(240) 598-8
Wireless
Omnipoint Communications Cap Operations, LLC
2018/08/22
(240) 598-9
Wireless
Omnipoint Communications Cap Operations, LLC
2019/01/10
Landline
Baltimore-washington Telephone (Bwt)
2015/05/22
(240) 633-0
Wireless
Omnipoint Communications Cap Operations, LLC
2016/01/07
(240) 633-1
Landline
Local Access LLC - MD
2016/05/02
(240) 633-2
Landline
Telnyx LLC
2017/04/17
(240) 633-3
Landline
Baltimore-washington Telephone (Bwt)
2015/05/27
(240) 633-4
Landline
Core Communications, Inc.- MD
2019/03/14
(240) 633-5
Landline
Core Communications, Inc.- MD
2019/04/12
(240) 633-6
Landline
Onvoy, LLC - MD
2015/05/29
(240) 633-7
Landline
Onvoy, LLC - MD
2016/02/17
(240) 633-8
Landline
Onvoy, LLC - MD
2016/02/17
(240) 633-9
Wireless
Omnipoint Communications Cap Operations, LLC
2016/08/18
Landline
Xo Maryland, LLC
2001/02/13
(240) 837-0
Landline
Xo Maryland, LLC
-
(240) 837-1
Landline
Xo Maryland, LLC
2011/04/21
(240) 837-2
Landline
Bandwidth.com CLEC, LLC - MD
2010/07/19
(240) 837-3
Wireless
Omnipoint Communications Cap Operations, LLC
2014/01/13
(240) 837-4
Landline
Mcimetro Access Transmission Services LLC
2014/05/16
(240) 837-5
Landline
Centurylink Communications, LLC LA
2014/05/14
(240) 837-6
Landline
Peerless Network of Maryland, LLC
2013/04/04
(240) 837-7
Landline
Xo Maryland, LLC
-
(240) 837-8
Landline
Onvoy, LLC - MD
2012/09/11
(240) 837-9
Landline
Peerless Network of Maryland, LLC
2013/04/04
Landline
Verizon Maryland, Inc.
-
(301) 274-0
Landline
Verizon Maryland, Inc.
-
(301) 274-1
Landline
Verizon Maryland, Inc.
-
(301) 274-2
Landline
Verizon Maryland, Inc.
-
(301) 274-3
Landline
Verizon Maryland, Inc.
-
(301) 274-4
Landline
Verizon Maryland, Inc.
-
(301) 274-5
Landline
Verizon Maryland, Inc.
-
(301) 274-6
Landline
Local Access LLC - MD
2015/02/19
(301) 274-7
Landline
Cavalier East, LLC - MD
2010/12/30
(301) 274-8
Landline
Atx Telecommunications Services, Ltd
2004/02/26
(301) 274-9
Landline
Verizon Maryland, Inc.
-