(410) 388
Landline
Verizon Maryland, Inc.
-
(410) 477
Landline
Verizon Maryland, Inc.
-
Landline
Mcimetro Access Transmission Services LLC
-
(410) 709-0
Landline
Telnyx LLC
2017/04/14
(410) 709-1
Landline
Level 3 Communications, LLC - AK
2008/09/10
(410) 709-2
Landline
Core Communications, Inc.- MD
2004/03/04
(410) 709-3
Landline
Level 3 Communications, LLC - AK
2006/02/08
(410) 709-4
Landline
Onvoy, LLC - MD
2016/02/23
(410) 709-5
Landline
Broadview Networks, Inc. - MD
2008/09/29
(410) 709-6
Landline
Onvoy, LLC - MD
2016/02/25
(410) 709-7
Landline
Onvoy, LLC - MD
2016/02/25
(410) 709-8
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
(410) 709-9
Landline
Mcimetro Access Transmission Services LLC
-
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/05/10
(443) 242-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 242-1
Wireless
T-mobile USA, Inc.
2021/01/14
(443) 242-2
Landline
Us Lec of Maryland, Inc.
2007/05/17
(443) 242-3
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 242-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(443) 242-5
Wireless
T-mobile USA, Inc.
2020/09/03
(443) 242-6
Landline
Comcast IP Phone, LLC
2007/10/01
(443) 242-7
Landline
Comcast IP Phone, LLC
2005/02/11
(443) 242-8
Landline
Twilio International, Inc.
2020/12/01
(443) 242-9
Landline
Radiantiq LLC
2021/03/23
Landline
Core Communications, Inc.- MD
-
(443) 337-0
Wireless
T-mobile USA, Inc.
2021/03/23
(443) 337-1
Wireless
T-mobile USA, Inc.
2019/09/19
(443) 337-2
Landline
Core Communications, Inc.- MD
2019/03/15
(443) 337-3
Wireless
T-mobile USA, Inc.
2017/09/07
(443) 337-4
Wireless
T-mobile USA, Inc.
2017/12/13
(443) 337-5
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 337-6
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 337-7
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 337-8
Landline
Core Communications, Inc.- MD
2019/03/15
(443) 337-9
Landline
Core Communications, Inc.- MD
2019/07/15
Landline
Xo Maryland, LLC
-
(443) 408-0
Landline
Xo Maryland, LLC
-
(443) 408-1
Landline
Xo Maryland, LLC
-
(443) 408-2
Landline
Terra Nova Telecom Inc.
2020/12/30
(443) 408-3
Landline
Xo Maryland, LLC
2005/09/14
(443) 408-4
Landline
Xo Maryland, LLC
2005/09/14
(443) 408-5
Landline
Xo Maryland, LLC
2005/09/14
(443) 408-6
Landline
Xo Maryland, LLC
2005/09/14
(443) 408-7
Landline
Centurylink Communications, LLC LA
2014/05/27
(443) 408-8
Landline
Bandwidth.com CLEC, LLC - MD
2015/01/14
(443) 408-9
Landline
Xo Maryland, LLC
-
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 594-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 594-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 594-2
Landline
Bandwidth.com CLEC, LLC - MD
2011/01/12
(443) 594-3
Landline
Mcimetro Access Transmission Services LLC
2008/09/11
(443) 594-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 594-5
Landline
Level 3 Communications, LLC - AK
-
(443) 594-6
Landline
Onvoy, LLC - MD
2012/09/12
(443) 594-7
Landline
Onvoy, LLC - MD
2016/02/25
(443) 594-8
Landline
Onvoy, LLC - MD
2016/02/25
(443) 594-9
Landline
Local Access LLC - MD
2016/09/15
Landline
Us Lec of Maryland, Inc.
2001/06/20
(443) 649-0
Landline
Us Lec of Maryland, Inc.
-
(443) 649-1
Landline
Us Lec of Maryland, Inc.
-
(443) 649-2
Landline
Us Lec of Maryland, Inc.
-
(443) 649-3
Landline
Us Lec of Maryland, Inc.
-
(443) 649-4
Wireless
T-mobile USA, Inc.
2016/11/01
(443) 649-5
Landline
Comcast IP Phone, LLC
2014/10/13
(443) 649-6
Landline
Core Communications, Inc.- MD
2019/07/15
(443) 649-7
Wireless
T-mobile USA, Inc.
2018/03/23
(443) 649-8
Landline
Local Access LLC - MD
2015/12/07
(443) 649-9
Landline
Us Lec of Maryland, Inc.
-
Landline
Teleport Communications America - ID - LLC
-
(443) 943-0
Landline
Peerless Network of Maryland, LLC
2013/04/05
(443) 943-1
Landline
Peerless Network of Maryland, LLC
2013/04/05
(443) 943-2
Wireless
T-mobile USA, Inc.
2013/05/22
(443) 943-3
Wireless
T-mobile USA, Inc.
2013/05/22
(443) 943-4
Wireless
T-mobile USA, Inc.
2014/06/10
(443) 943-5
Wireless
T-mobile USA, Inc.
2014/09/04
(443) 943-6
Wireless
T-mobile USA, Inc.
2014/11/25
(443) 943-7
Wireless
T-mobile USA, Inc.
2015/02/10
(443) 943-8
Landline
Local Access LLC - MD
2015/02/23
(443) 943-9
Landline
Teleport Communications America - ID - LLC
-
Wireless
Onvoy Spectrum, LLC
2021/04/26
(667) 778-2
Landline
Onvoy, LLC - MD
2021/06/16
(667) 778-3
Landline
Onvoy, LLC - MD
2021/06/16
(667) 778-7
Wireless
Onvoy Spectrum, LLC
2021/04/27