(240) 214
Landline
Peerless Network of Maryland, LLC
-
Landline
Teleport Communications America - ID - LLC
-
(240) 249-0
Landline
Level 3 Communications, LLC - AK
2006/02/06
(240) 249-1
Landline
Us Lec of Maryland, Inc.
2004/01/15
(240) 249-2
Landline
Bandwidth.com CLEC, LLC - MD
2012/05/29
(240) 249-3
Landline
Comcast IP Phone, LLC
2005/06/30
(240) 249-4
Landline
Onvoy, LLC - MD
2016/02/17
(240) 249-5
Landline
Bandwidth.com CLEC, LLC - MD
2010/09/17
(240) 249-6
Landline
Idt America, Corp. - MD
2007/08/30
(240) 249-7
Landline
Onvoy, LLC - MD
2016/02/17
(240) 249-8
Landline
Level 3 Communications, LLC - AK
2008/08/01
(240) 249-9
Landline
Teleport Communications America - ID - LLC
-
(240) 282
Landline
Peerless Network of Maryland, LLC
-
Wireless
New Cingular Wireless PCS, LLC
2001/07/10
(240) 466-0
Landline
Baltimore-washington Telephone (Bwt)
2015/05/27
(240) 466-1
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/17
(240) 466-2
Wireless
New Cingular Wireless PCS, LLC
2013/04/25
(240) 466-3
Landline
Comcast IP Phone, LLC
2015/02/26
(240) 466-4
Landline
Bandwidth.com CLEC, LLC - MD
2007/09/24
(240) 466-5
Landline
Level 3 Communications, LLC - AK
2012/11/07
(240) 466-6
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(240) 466-7
Landline
Centurylink Communications, LLC LA
2014/05/14
(240) 466-8
Landline
Bandwidth.com CLEC, LLC - MD
2010/07/20
(240) 466-9
Landline
Onvoy, LLC - MD
2015/05/28
Landline
Core Communications, Inc.- MD
2018/06/11
(240) 628-0
Landline
Core Communications, Inc.- MD
2018/06/13
(240) 628-1
Landline
Core Communications, Inc.- MD
2018/06/13
(240) 628-2
Landline
Core Communications, Inc.- MD
2018/06/13
(240) 628-3
Landline
Mcimetro Access Transmission Services LLC
2018/08/21
(240) 628-4
Landline
Bandwidth.com CLEC, LLC - MD
2019/05/09
(240) 628-5
Landline
Bandwidth.com CLEC, LLC - MD
2019/06/19
(240) 628-6
Landline
Onvoy, LLC - MD
2019/02/05
(240) 628-7
Landline
Onvoy, LLC - MD
2018/08/20
(240) 628-8
Landline
Onvoy, LLC - MD
2019/02/05
(240) 628-9
Wireless
New Cingular Wireless PCS, LLC
2018/07/30
Landline
Xo Maryland, LLC
2001/02/13
(240) 652-0
Landline
Telnyx LLC
2017/04/17
(240) 652-1
Landline
Xo Maryland, LLC
-
(240) 652-2
Landline
Onvoy, LLC - MD
2012/08/15
(240) 652-3
Wireless
New Cingular Wireless PCS, LLC
2015/09/17
(240) 652-4
Landline
Xo Maryland, LLC
2005/07/20
(240) 652-5
Landline
Xo Maryland, LLC
2005/07/20
(240) 652-6
Landline
Xo Maryland, LLC
-
(240) 652-7
Landline
Peerless Network of Maryland, LLC
2013/10/02
(240) 652-8
Landline
Xo Maryland, LLC
2005/07/20
(240) 652-9
Landline
Xo Maryland, LLC
2005/07/20
Unknown
Coretel Maryland, Inc. - MD
2019/09/12
(240) 697-2
Landline
Onvoy, LLC - MD
2020/03/31
(240) 697-3
Landline
Onvoy, LLC - MD
2020/03/31
(240) 697-4
Wireless
Onvoy Spectrum, LLC
2021/04/21
(240) 697-5
Landline
Peerless Network of Maryland, LLC
2020/12/11
(240) 697-6
Unknown
Coretel Maryland, Inc. - MD
2019/09/16
(240) 697-7
Landline
Onvoy, LLC - MD
2021/02/03
(240) 697-8
Landline
Onvoy, LLC - MD
2021/02/03
Landline
Verizon Maryland, Inc.
-
(301) 290-0
Landline
Verizon Maryland, Inc.
-
(301) 290-1
Landline
Verizon Maryland, Inc.
-
(301) 290-2
Landline
Cavalier East, LLC - MD
2010/12/30
(301) 290-3
Landline
Atx Telecommunications Services, Ltd
2004/02/26
(301) 290-4
Landline
Core Communications, Inc.- MD
2004/02/26
(301) 290-5
Landline
Verizon Maryland, Inc.
-
(301) 290-6
Landline
Verizon Maryland, Inc.
-
(301) 290-7
Landline
Verizon Maryland, Inc.
-
(301) 290-8
Landline
Verizon Maryland, Inc.
-
(301) 290-9
Landline
Verizon Maryland, Inc.
-
(301) 472
Landline
Verizon Maryland, Inc.
-
(301) 884
Landline
Verizon Maryland, Inc.
-