Landline
Verizon Maryland, Inc.
-
(410) 305-0
Landline
Verizon Maryland, Inc.
-
(410) 305-1
Landline
Verizon Maryland, Inc.
-
(410) 305-2
Landline
Verizon Maryland, Inc.
-
(410) 305-3
Landline
Verizon Maryland, Inc.
-
(410) 305-4
Landline
Comcast IP Phone, LLC
2007/07/17
(410) 305-5
Landline
Verizon Maryland, Inc.
-
(410) 305-6
Landline
Core Communications, Inc.- MD
2004/03/04
(410) 305-7
Landline
Level 3 Communications, LLC - AK
2009/09/29
(410) 305-8
Landline
Comcast IP Phone, LLC
2007/11/20
(410) 305-9
Landline
Bandwidth.com CLEC, LLC - MD
2009/12/03
Landline
Verizon Maryland, Inc.
-
(410) 672-0
Landline
Verizon Maryland, Inc.
-
(410) 672-1
Landline
Verizon Maryland, Inc.
-
(410) 672-2
Landline
Verizon Maryland, Inc.
-
(410) 672-3
Landline
Verizon Maryland, Inc.
-
(410) 672-4
Landline
Verizon Maryland, Inc.
-
(410) 672-5
Landline
Verizon Maryland, Inc.
-
(410) 672-6
Landline
Verizon Maryland, Inc.
-
(410) 672-7
Landline
Verizon Maryland, Inc.
-
(410) 672-8
Landline
Verizon Maryland, Inc.
-
(410) 672-9
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 674
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 695-0
Landline
Verizon Maryland, Inc.
-
(410) 695-1
Landline
Verizon Maryland, Inc.
-
(410) 695-2
Landline
Verizon Maryland, Inc.
-
(410) 695-3
Landline
Level 3 Communications, LLC - AK
2005/03/31
(410) 695-4
Landline
Level 3 Communications, LLC - AK
2003/07/29
(410) 695-5
Landline
Comcast IP Phone, LLC
2005/02/11
(410) 695-6
Landline
Level 3 Communications, LLC - AK
2005/03/31
(410) 695-7
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 695-8
Landline
Level 3 Communications, LLC - AK
2012/07/05
(410) 695-9
Landline
Onvoy, LLC - MD
2016/04/20
Landline
Mcimetro Access Transmission Services LLC
-
(410) 874-0
Landline
Peerless Network of Maryland, LLC
2012/09/17
(410) 874-1
Landline
Mcimetro Access Transmission Services LLC
-
(410) 874-2
Landline
Atx Telecommunications Services, Ltd
2006/05/31
(410) 874-3
Landline
Comcast IP Phone, LLC
2012/08/21
(410) 874-4
Landline
Peerless Network of Maryland, LLC
2012/09/17
(410) 874-5
Landline
Peerless Network of Maryland, LLC
2012/09/17
(410) 874-6
Landline
Mcimetro Access Transmission Services LLC
2015/08/18
(410) 874-7
Landline
Comcast IP Phone, LLC
2006/09/01
(410) 874-8
Landline
Comcast IP Phone, LLC
2006/09/01
(410) 874-9
Landline
Mcimetro Access Transmission Services LLC
-
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 927-0
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 927-1
Landline
Onvoy, LLC - MD
2016/02/09
(410) 927-2
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 927-3
Landline
Onvoy, LLC - MD
2016/02/09
(410) 927-4
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 927-5
Landline
Level 3 Communications, LLC - AK
2011/08/11
(410) 927-6
Landline
Level 3 Communications, LLC - AK
2008/08/27
(410) 927-7
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 927-8
Landline
Level 3 Communications, LLC - AK
2011/10/12
(410) 927-9
Landline
Level 3 Telecom of Maryland, LLC - MD
-
Landline
Ctc Communications Corp. - MD
-
(443) 230-0
Landline
Terra Nova Telecom Inc.
2020/12/30
(443) 230-1
Landline
Ctc Communications Corp. - MD
-
(443) 230-2
Landline
Onvoy, LLC - MD
2021/02/03
(443) 230-3
Landline
Comcast IP Phone, LLC
2014/06/10
(443) 230-4
Landline
Bandwidth.com CLEC, LLC - MD
2016/08/09
(443) 230-5
Landline
Onvoy, LLC - MD
2016/03/16
(443) 230-6
Wireless
T-mobile USA, Inc.
2016/10/31
(443) 230-7
Landline
Centurylink Communications, LLC LA
2014/05/27
(443) 230-8
Landline
Local Access LLC - MD
2015/12/07
(443) 230-9
Landline
Local Access LLC - MD
2015/02/23
Landline
Us Lec of Maryland, Inc.
-
(443) 351-0
Landline
Us Lec of Maryland, Inc.
-
(443) 351-1
Landline
Us Lec of Maryland, Inc.
-
(443) 351-2
Landline
Us Lec of Maryland, Inc.
-
(443) 351-3
Landline
Us Lec of Maryland, Inc.
-
(443) 351-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/08/04
(443) 351-5
Wireless
T-mobile USA, Inc.
2017/01/03
(443) 351-7
Landline
Bandwidth.com CLEC, LLC - MD
2010/09/28
(443) 351-8
Landline
Bandwidth.com CLEC, LLC - MD
2011/01/31
(443) 351-9
Landline
Us Lec of Maryland, Inc.
-
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 396-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 396-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 396-2
Landline
Onvoy, LLC - MD
2012/09/11
(443) 396-3
Landline
Bandwidth.com CLEC, LLC - MD
2010/02/08
(443) 396-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 396-5
Landline
Peerless Network of Maryland, LLC
2020/09/30
(443) 396-6
Landline
Local Access LLC - MD
2017/06/13
(443) 396-7
Landline
Onvoy, LLC - MD
2018/04/30
(443) 396-8
Landline
Telnyx LLC
2017/04/14
(443) 396-9
Wireless
T-mobile USA, Inc.
2020/03/09
Landline
Teleport Communications America - ID - LLC
-
(443) 698-0
Unknown
Barr Tell USA, Inc.
2016/11/18
(443) 698-1
Landline
Paetec Communications, Inc. - CA
2005/10/26
(443) 698-2
Wireless
T-mobile USA, Inc.
2013/05/22
(443) 698-3
Landline
Comcast IP Phone, LLC
2016/08/02
(443) 698-4
Wireless
T-mobile USA, Inc.
2019/12/04
(443) 698-5
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 698-6
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 698-7
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 698-8
Landline
Bandwidth.com CLEC, LLC - MD
2011/05/04
(443) 698-9
Landline
Teleport Communications America - ID - LLC
-
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/05/10
(443) 704-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 704-1
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 704-2
Wireless
T-mobile USA, Inc.
2014/12/10
(443) 704-3
Landline
Onvoy, LLC - MD
2020/05/05
(443) 704-4
Wireless
T-mobile USA, Inc.
2014/12/10
(443) 704-5
Landline
Twilio International, Inc.
2020/11/30
(443) 704-6
Wireless
T-mobile USA, Inc.
2015/08/27
(443) 704-7
Wireless
T-mobile USA, Inc.
2019/09/19
(443) 704-8
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 704-9
Landline
Peerless Network of Maryland, LLC
2020/07/28
Landline
Radiantiq LLC
2021/03/25
(667) 360-1
Landline
Onvoy, LLC - MD
2021/04/21
(667) 360-2
Landline
Onvoy, LLC - MD
2021/04/21
(667) 360-3
Wireless
Onvoy Spectrum, LLC
2021/04/23
(667) 360-4
Wireless
T-mobile USA, Inc.
2021/06/11
(667) 360-6
Landline
Radiantiq LLC
2021/03/26