Landline
Teleport Communications America - ID - LLC
-
(240) 237-0
Wireless
Omnipoint Communications Cap Operations, LLC
2004/01/26
(240) 237-1
Landline
Us Lec of Maryland, Inc.
2004/01/15
(240) 237-2
Wireless
Omnipoint Communications Cap Operations, LLC
2014/07/10
(240) 237-3
Landline
Bandwidth.com CLEC, LLC - MD
2011/08/08
(240) 237-4
Landline
Teleport Communications America - ID - LLC
-
(240) 237-5
Wireless
Sprint Spectrum, L.P.
2006/03/13
(240) 237-6
Wireless
Sprint Spectrum, L.P.
2004/02/04
(240) 237-7
Wireless
Omnipoint Communications Cap Operations, LLC
2006/05/18
(240) 237-8
Landline
Idt America, Corp. - MD
2007/08/30
(240) 237-9
Wireless
Sprint Spectrum, L.P.
2011/10/13
Wireless
Sprint Spectrum, L.P.
2011/10/17
(240) 262-0
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-1
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-2
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-3
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-4
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-5
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-6
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-7
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-8
Wireless
Sprint Spectrum, L.P.
2011/10/19
(240) 262-9
Wireless
Sprint Spectrum, L.P.
2011/10/19
Landline
Starpower Communications, LLC - DC
-
(240) 317-0
Landline
Starpower Communications, LLC - DC
-
(240) 317-1
Wireless
Sprint Spectrum, L.P.
2011/10/13
(240) 317-2
Landline
Level 3 Communications, LLC - AK
2008/02/01
(240) 317-3
Landline
Level 3 Communications, LLC - AK
2008/02/01
(240) 317-4
Landline
Bandwidth.com CLEC, LLC - MD
2007/09/24
(240) 317-5
Landline
Idt America, Corp. - MD
2009/02/03
(240) 317-6
Landline
Xo Maryland, LLC
2007/01/24
(240) 317-7
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(240) 317-8
Landline
Starpower Communications, LLC - DC
-
(240) 317-9
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/17
Landline
Peerless Network of Maryland, LLC
-
(240) 384-0
Wireless
Omnipoint Communications Cap Operations, LLC
2020/01/25
(240) 384-1
Landline
Peerless Network of Maryland, LLC
-
(240) 384-2
Landline
Onvoy, LLC - MD
2020/10/21
(240) 384-3
Landline
Onvoy, LLC - MD
2020/10/21
(240) 384-4
Landline
Onvoy, LLC - MD
2021/02/03
(240) 384-5
Landline
Onvoy, LLC - MD
2021/02/03
(240) 384-6
Landline
Onvoy, LLC - MD
2021/02/03
(240) 384-8
Wireless
Omnipoint Communications Cap Operations, LLC
2021/01/14
(240) 384-9
Landline
Peerless Network of Maryland, LLC
-
Wireless
Sprint Spectrum, L.P.
-
(240) 431-0
Wireless
Sprint Spectrum, L.P.
2010/07/07
(240) 431-1
Wireless
Sprint Spectrum, L.P.
-
(240) 431-2
Wireless
Sprint Spectrum, L.P.
2010/07/07
(240) 431-3
Wireless
Sprint Spectrum, L.P.
-
(240) 431-4
Wireless
Sprint Spectrum, L.P.
2011/04/22
(240) 431-5
Wireless
Sprint Spectrum, L.P.
2011/03/24
(240) 431-6
Wireless
Sprint Spectrum, L.P.
2011/03/24
(240) 431-7
Wireless
Sprint Spectrum, L.P.
2007/03/07
(240) 431-8
Wireless
Sprint Spectrum, L.P.
2005/02/14
(240) 431-9
Wireless
Sprint Spectrum, L.P.
-
Landline
Baltimore-washington Telephone (Bwt)
2015/05/21
(240) 661-0
Landline
Onvoy, LLC - MD
2015/09/24
(240) 661-1
Wireless
Omnipoint Communications Cap Operations, LLC
2016/06/16
(240) 661-2
Unknown
Barr Tell USA, Inc.
2016/11/01
(240) 661-3
Wireless
Omnipoint Communications Cap Operations, LLC
2020/04/28
(240) 661-4
Wireless
Onvoy Spectrum, LLC
2021/04/21
(240) 661-5
Landline
Idt America, Corp. - MD
2016/08/18
(240) 661-6
Landline
Onvoy, LLC - MD
2015/05/29
(240) 661-7
Landline
Onvoy, LLC - MD
2016/02/15
(240) 661-8
Landline
Onvoy, LLC - MD
2016/02/15
(240) 661-9
Landline
Baltimore-washington Telephone (Bwt)
2015/05/27
Landline
Xo Maryland, LLC
2001/02/13
(240) 718-0
Landline
Xo Maryland, LLC
-
(240) 718-1
Landline
Xo Maryland, LLC
2005/07/20
(240) 718-2
Landline
Xo Maryland, LLC
2005/07/20
(240) 718-3
Landline
Xo Maryland, LLC
2005/07/20
(240) 718-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/08/04
(240) 718-5
Landline
Xo Maryland, LLC
2010/12/16
(240) 718-6
Landline
Bandwidth.com CLEC, LLC - MD
2010/07/20
(240) 718-7
Landline
Xo Maryland, LLC
-
(240) 718-8
Landline
Bandwidth.com CLEC, LLC - MD
2011/01/28
(240) 718-9
Wireless
Sprint Spectrum, L.P.
2011/10/13
Landline
Verizon Maryland, Inc.
-
(240) 725-0
Landline
Verizon Maryland, Inc.
-
(240) 725-1
Landline
Peerless Network of Maryland, LLC
2016/11/18
(240) 725-2
Wireless
Omnipoint Communications Cap Operations, LLC
2019/08/14
(240) 725-3
Landline
Mcimetro Access Transmission Services LLC
2019/12/26
(240) 725-4
Wireless
Omnipoint Communications Cap Operations, LLC
2018/08/22
(240) 725-5
Landline
Verizon Maryland, Inc.
-
(240) 725-6
Landline
Teleport Communications America - ID - LLC
2017/09/06
(240) 725-7
Landline
Verizon Maryland, Inc.
-
(240) 725-8
Wireless
Omnipoint Communications Cap Operations, LLC
2018/11/07
(240) 725-9
Landline
Telnyx LLC
2017/04/17
Landline
Level 3 Communications, LLC - AK
-
(240) 794-1
Landline
Level 3 Communications, LLC - AK
-
(240) 794-2
Landline
Bandwidth.com CLEC, LLC - MD
2011/07/05
(240) 794-4
Landline
Bandwidth.com CLEC, LLC - MD
2011/07/06
(240) 794-5
Wireless
Sprint Spectrum, L.P.
2011/10/13
(240) 794-6
Landline
Onvoy, LLC - MD
2008/05/21
(240) 794-7
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2009/04/02
(240) 794-8
Wireless
Omnipoint Communications Cap Operations, LLC
2013/09/12
Landline
Verizon Maryland, Inc.
-
(240) 895-0
Landline
Verizon Maryland, Inc.
-
(240) 895-1
Wireless
Sprint Spectrum, L.P.
2011/04/22
(240) 895-2
Landline
Verizon Maryland, Inc.
-
(240) 895-3
Landline
Verizon Maryland, Inc.
-
(240) 895-4
Landline
Verizon Maryland, Inc.
-
(240) 895-5
Landline
Verizon Maryland, Inc.
-
(240) 895-6
Landline
Verizon Maryland, Inc.
-
(240) 895-7
Landline
Verizon Maryland, Inc.
-
(240) 895-8
Landline
Mcimetro Access Transmission Services LLC
2006/12/29
(240) 895-9
Landline
Onvoy, LLC - MD
2012/09/11
(301) 342
Landline
Verizon Maryland, Inc.
-
(301) 672
Wireless
Sprint Spectrum, L.P.
-
(301) 737
Landline
Verizon Maryland, Inc.
-
(301) 757
Landline
Verizon Maryland, Inc.
-
(301) 826
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 862-0
Landline
Verizon Maryland, Inc.
-
(301) 862-1
Landline
Verizon Maryland, Inc.
-
(301) 862-2
Landline
Verizon Maryland, Inc.
-
(301) 862-3
Landline
Verizon Maryland, Inc.
-
(301) 862-4
Landline
Verizon Maryland, Inc.
-
(301) 862-5
Landline
Verizon Maryland, Inc.
-
(301) 862-6
Landline
Level 3 Communications, LLC - AK
2008/01/22
(301) 862-7
Landline
Verizon Maryland, Inc.
-
(301) 862-8
Landline
Verizon Maryland, Inc.
-
(301) 862-9
Landline
Verizon Maryland, Inc.
-
(301) 863
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 866-0
Landline
Verizon Maryland, Inc.
-
(301) 866-1
Landline
Verizon Maryland, Inc.
-
(301) 866-2
Landline
Verizon Maryland, Inc.
-
(301) 866-3
Landline
Verizon Maryland, Inc.
-
(301) 866-4
Landline
Verizon Maryland, Inc.
-
(301) 866-5
Landline
Verizon Maryland, Inc.
-
(301) 866-6
Landline
Verizon Maryland, Inc.
-
(301) 866-7
Landline
Mcimetro Access Transmission Services LLC
-
(301) 866-8
Landline
Terra Nova Telecom Inc.
2020/12/28
(301) 866-9
Landline
Verizon Maryland, Inc.
-
Landline
Level 3 Communications, LLC - AK
-
(301) 880-0
Landline
Level 3 Communications, LLC - AK
2004/12/20
(301) 880-1
Landline
Level 3 Communications, LLC - AK
2004/12/20
(301) 880-2
Landline
Verizon Maryland, Inc.
2005/07/25
(301) 880-3
Landline
Paetec Communications, Inc. - CA
2005/03/23
(301) 880-4
Landline
Level 3 Communications, LLC - AK
-
(301) 880-5
Landline
Lightwave Communications, LLC - MD
2005/09/08
(301) 880-6
Wireless
Sprint Spectrum, L.P.
2011/10/13
(301) 880-7
Landline
Paetec Communications, Inc. - CA
2007/11/14
(301) 880-8
Landline
Centurylink Communications, LLC LA
2013/08/01
(301) 880-9
Landline
Peerless Network of Maryland, LLC
2013/04/04
Landline
Verizon Maryland, Inc.
-
(301) 994-0
Landline
Verizon Maryland, Inc.
-
(301) 994-1
Landline
Verizon Maryland, Inc.
-
(301) 994-2
Landline
Verizon Maryland, Inc.
-
(301) 994-3
Landline
Verizon Maryland, Inc.
-
(301) 994-4
Landline
Level 3 Communications, LLC - AK
2014/06/10
(301) 994-5
Landline
Quantum Telecommunications, Inc. - MD
2003/10/23
(301) 994-6
Landline
AT&T - Local
2003/10/15
(301) 994-7
Landline
Peerless Network of Maryland, LLC
2013/04/04
(301) 994-8
Landline
Atx Telecommunications Services, Ltd
2004/02/27
(301) 994-9
Landline
Verizon Maryland, Inc.
-
(301) 995
Landline
Verizon Maryland, Inc.
-