Landline
Mcimetro Access Transmission Services LLC
-
(410) 401-0
Landline
Peerless Network of Maryland, LLC
2012/09/17
(410) 401-1
Landline
Peerless Network of Maryland, LLC
2012/09/17
(410) 401-2
Landline
AT&T - Local
2002/04/30
(410) 401-3
Landline
Vdl, Inc. DBA Global Telecom Brokers - MD
2004/01/21
(410) 401-4
Landline
Peerless Network of Maryland, LLC
2012/09/17
(410) 401-5
Landline
Onvoy, LLC - MD
2016/03/16
(410) 401-6
Landline
Local Access LLC - MD
2016/09/15
(410) 401-7
Landline
Core Communications, Inc.- MD
2004/03/01
(410) 401-8
Landline
Onvoy, LLC - MD
2016/02/25
(410) 401-9
Landline
Mcimetro Access Transmission Services LLC
-
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 589-0
Landline
Level 3 Communications, LLC - AK
2008/03/24
(410) 589-1
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 589-2
Landline
Telnyx LLC
2017/04/13
(410) 589-3
Landline
Comcast IP Phone, LLC
2015/07/16
(410) 589-4
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 589-5
Landline
Comcast IP Phone, LLC
2014/02/07
(410) 589-6
Landline
Comcast IP Phone, LLC
2007/09/10
(410) 589-7
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 589-8
Landline
Level 3 Telecom of Maryland, LLC - MD
-
(410) 589-9
Landline
Level 3 Telecom of Maryland, LLC - MD
-
Landline
Verizon Maryland, Inc.
-
(410) 609-0
Landline
Verizon Maryland, Inc.
-
(410) 609-1
Landline
Verizon Maryland, Inc.
-
(410) 609-2
Landline
Verizon Maryland, Inc.
-
(410) 609-3
Landline
Level 3 Communications, LLC - AK
2005/01/12
(410) 609-4
Landline
Level 3 Communications, LLC - AK
2003/08/05
(410) 609-5
Landline
Onvoy, LLC - MD
2016/02/25
(410) 609-6
Landline
Level 3 Communications, LLC - AK
2006/02/24
(410) 609-7
Landline
Level 3 Communications, LLC - AK
2004/03/29
(410) 609-8
Landline
Atx Telecommunications Services, Ltd
2003/02/03
(410) 609-9
Landline
Onvoy, LLC - MD
2016/02/23
(410) 636
Landline
Verizon Maryland, Inc.
-
(410) 789
Landline
Verizon Maryland, Inc.
-
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 312-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 312-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 312-2
Landline
Level 3 Communications, LLC - AK
2005/12/05
(443) 312-3
Landline
Level 3 Communications, LLC - AK
2005/12/05
(443) 312-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 312-6
Landline
Comcast IP Phone, LLC
2005/02/10
(443) 312-7
Landline
Level 3 Communications, LLC - AK
2005/07/11
(443) 312-8
Landline
Comcast IP Phone, LLC
2008/01/30
(443) 312-9
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
Landline
Xo Maryland, LLC
-
(443) 335-0
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 335-1
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 335-2
Landline
Peerless Network of Maryland, LLC
2018/10/19
(443) 335-3
Landline
Xo Maryland, LLC
-
(443) 335-4
Wireless
T-mobile USA, Inc.
2019/09/19
(443) 335-5
Wireless
T-mobile USA, Inc.
2019/12/31
(443) 335-6
Landline
Peerless Network of Maryland, LLC
2020/09/29
(443) 335-7
Landline
Twilio International, Inc.
2020/11/25
(443) 335-8
Landline
Onvoy, LLC - MD
2021/02/03
(443) 335-9
Landline
Onvoy, LLC - MD
2021/02/03
Landline
Xo Maryland, LLC
-
(443) 400-0
Landline
Xo Maryland, LLC
-
(443) 400-1
Wireless
T-mobile USA, Inc.
2013/09/17
(443) 400-2
Landline
Xo Maryland, LLC
-
(443) 400-3
Wireless
T-mobile USA, Inc.
2013/05/21
(443) 400-4
Wireless
T-mobile USA, Inc.
2013/09/17
(443) 400-5
Landline
Xo Maryland, LLC
-
(443) 400-6
Wireless
T-mobile USA, Inc.
2014/03/03
(443) 400-7
Landline
Onvoy, LLC - MD
2012/08/15
(443) 400-8
Landline
Paetec Communications, Inc. - CA
2002/05/03
(443) 400-9
Wireless
T-mobile USA, Inc.
2013/09/10
Landline
Teleport Communications America - ID - LLC
-
(443) 457-0
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(443) 457-1
Landline
Us Lec of Maryland, Inc.
2003/03/03
(443) 457-2
Landline
Onvoy, LLC - MD
2016/02/25
(443) 457-3
Landline
Bandwidth.com CLEC, LLC - MD
2015/05/06
(443) 457-4
Landline
Baltimore-washington Telephone (Bwt)
2015/05/12
(443) 457-5
Landline
Teleport Communications America - ID - LLC
-
(443) 457-6
Landline
Comcast IP Phone, LLC
2007/02/15
(443) 457-7
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2004/08/11
(443) 457-8
Landline
Bandwidth.com CLEC, LLC - MD
2010/12/14
(443) 457-9
Landline
Onvoy, LLC - MD
2016/02/25
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/05/10
(443) 673-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 673-1
Wireless
Onvoy Spectrum, LLC
2021/04/23
(443) 673-2
Wireless
T-mobile USA, Inc.
2014/02/13
(443) 673-3
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 673-4
Wireless
T-mobile USA, Inc.
2014/02/13
(443) 673-6
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 673-7
Wireless
T-mobile USA, Inc.
2014/03/03
(443) 673-8
Landline
Radiantiq LLC
2021/03/22
(443) 673-9
Landline
Bandwidth.com CLEC, LLC - MD
2020/11/02
Landline
Xo Maryland, LLC
-
(443) 773-0
Landline
Xo Maryland, LLC
-
(443) 773-1
Landline
Xo Maryland, LLC
-
(443) 773-2
Landline
Bandwidth.com CLEC, LLC - MD
2011/04/14
(443) 773-3
Landline
Xo Maryland, LLC
-
(443) 773-4
Landline
Xo Maryland, LLC
-
(443) 773-5
Landline
Xo Maryland, LLC
-
(443) 773-6
Landline
Xo Maryland, LLC
-
(443) 773-7
Landline
Core Communications, Inc.- MD
2019/06/10
(443) 773-8
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 773-9
Landline
Xo Maryland, LLC
-
Landline
Verizon Maryland, Inc.
2007/10/18
(443) 792-0
Landline
Onvoy, LLC - MD
2014/09/23
(443) 792-1
Landline
Local Access LLC - MD
2015/02/23
(443) 792-2
Landline
Verizon Maryland, Inc.
2007/10/19
(443) 792-3
Landline
Verizon Maryland, Inc.
2007/10/19
(443) 792-4
Landline
Mcimetro Access Transmission Services LLC
2008/09/11
(443) 792-5
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2009/04/07
(443) 792-6
Landline
Local Access LLC - MD
2015/12/07
(443) 792-7
Landline
Centurylink Communications, LLC LA
2014/03/06
(443) 792-8
Landline
Onvoy, LLC - MD
2014/09/23
(443) 792-9
Landline
Bandwidth.com CLEC, LLC - MD
2011/02/21
Landline
Core Communications, Inc.- MD
2018/12/11
(667) 653-0
Landline
Core Communications, Inc.- MD
2018/12/12
(667) 653-1
Landline
Bandwidth.com CLEC, LLC - MD
2019/05/03
(667) 653-2
Landline
Core Communications, Inc.- MD
2018/12/12
(667) 653-3
Landline
Core Communications, Inc.- MD
2018/12/12
(667) 653-4
Wireless
T-mobile USA, Inc.
2020/07/28
(667) 653-5
Landline
Comcast IP Phone, LLC
2019/03/01
(667) 653-6
Landline
Bandwidth.com CLEC, LLC - MD
2020/11/02
(667) 653-7
Landline
Bandwidth.com CLEC, LLC - MD
2020/09/01
(667) 653-8
Landline
Local Access LLC - MD
2019/03/27
(667) 653-9
Landline
Bandwidth.com CLEC, LLC - MD
2020/09/01