Wireless
Sprint Spectrum, LP - MD
2011/10/04
(240) 203-0
Wireless
Sprint Spectrum, LP - MD
2011/10/05
(240) 203-1
Wireless
Sprint Spectrum, LP - MD
2011/10/05
(240) 203-2
Wireless
Sprint Spectrum, LP - MD
2011/10/05
(240) 203-3
Wireless
Sprint Spectrum, LP - MD
2011/10/05
(240) 203-4
Wireless
Sprint Spectrum, LP - MD
2011/10/05
(240) 203-5
Wireless
Sprint Spectrum, LP - MD
2011/10/05
(240) 203-6
Landline
Bandwidth.com CLEC, LLC - MD
2012/08/14
(240) 203-7
Landline
Bandwidth.com CLEC, LLC - MD
2012/08/14
(240) 203-8
Landline
Bandwidth.com CLEC, LLC - MD
2014/05/02
(240) 203-9
Landline
Bandwidth.com CLEC, LLC - MD
2014/05/02
Wireless
Omnipoint Communications Cap Operations, LLC
2001/04/16
(240) 217-0
Wireless
Omnipoint Communications Cap Operations, LLC
-
(240) 217-1
Wireless
Omnipoint Communications Cap Operations, LLC
-
(240) 217-2
Wireless
Omnipoint Communications Cap Operations, LLC
-
(240) 217-3
Wireless
Omnipoint Communications Cap Operations, LLC
-
(240) 217-4
Wireless
Omnipoint Communications Cap Operations, LLC
-
(240) 217-5
Wireless
Omnipoint Communications Cap Operations, LLC
-
(240) 217-6
Wireless
Omnipoint Communications Cap Operations, LLC
-
(240) 217-7
Wireless
Omnipoint Communications Cap Operations, LLC
2003/12/18
(240) 217-8
Wireless
Omnipoint Communications Cap Operations, LLC
2007/01/10
(240) 217-9
Wireless
Omnipoint Communications Cap Operations, LLC
-
(240) 231
Landline
Core Communications, Inc.- MD
-
Wireless
Cellco Partnership DBA Verizon Wireless
2017/05/18
(240) 267-0
Wireless
Cellco Partnership DBA Verizon Wireless
2017/05/18
(240) 267-1
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 267-2
Landline
Level 3 Communications, LLC - AK
2017/08/22
(240) 267-3
Wireless
T-mobile USA, Inc.
2017/08/31
(240) 267-4
Landline
Mcimetro Access Transmission Services LLC
2018/05/01
(240) 267-5
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 267-6
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 267-7
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 267-8
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 267-9
Wireless
Cellco Partnership DBA Verizon Wireless
2017/12/20
Wireless
New Cingular Wireless PCS, LLC
2002/10/15
(240) 291-0
Wireless
New Cingular Wireless PCS, LLC
2002/11/05
(240) 291-1
Wireless
New Cingular Wireless PCS, LLC
2003/10/15
(240) 291-2
Wireless
New Cingular Wireless PCS, LLC
2004/05/17
(240) 291-3
Wireless
Omnipoint Communications Cap Operations, LLC
2004/01/29
(240) 291-4
Wireless
Omnipoint Communications Cap Operations, LLC
2004/02/05
(240) 291-5
Wireless
Omnipoint Communications Cap Operations, LLC
2004/12/27
(240) 291-6
Wireless
New Cingular Wireless PCS, LLC
2005/03/02
(240) 291-7
Wireless
Omnipoint Communications Cap Operations, LLC
2005/05/25
(240) 291-8
Wireless
New Cingular Wireless PCS, LLC
2004/09/10
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 310-0
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 310-1
Landline
Us Lec of Maryland, Inc.
2008/01/15
(240) 310-2
Wireless
New Cingular Wireless PCS, LLC
2008/02/08
(240) 310-3
Wireless
New Cingular Wireless PCS, LLC
2008/02/08
(240) 310-4
Wireless
New Cingular Wireless PCS, LLC
2008/08/21
(240) 310-5
Wireless
Omnipoint Communications Cap Operations, LLC
2008/02/15
(240) 310-6
Wireless
Omnipoint Communications Cap Operations, LLC
2008/03/24
(240) 310-7
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 310-8
Wireless
Sprint Spectrum, LP - MD
2011/09/29
(240) 310-9
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/05
Landline
Verizon Maryland, Inc.
-
(240) 313-0
Wireless
New Cingular Wireless PCS, LLC
2004/11/09
(240) 313-1
Landline
Verizon Maryland, Inc.
-
(240) 313-2
Landline
Verizon Maryland, Inc.
2001/09/18
(240) 313-3
Landline
Verizon Maryland, Inc.
-
(240) 313-4
Landline
Verizon Maryland, Inc.
2001/11/09
(240) 313-5
Wireless
New Cingular Wireless PCS, LLC
2004/12/16
(240) 313-6
Wireless
Sprint Spectrum, LP - MD
2005/06/02
(240) 313-7
Landline
AT&T - Local
2002/08/02
(240) 313-8
Wireless
Cellco Partnership DBA Verizon Wireless
2012/05/04
(240) 313-9
Landline
Verizon Maryland, Inc.
-
Landline
Level 3 Communications, LLC - AK
-
(240) 329-0
Landline
Level 3 Communications, LLC - AK
-
(240) 329-1
Wireless
New Cingular Wireless PCS, LLC
2006/07/17
(240) 329-2
Landline
Level 3 Communications, LLC - AK
2005/03/21
(240) 329-3
Landline
Level 3 Communications, LLC - AK
2005/03/21
(240) 329-4
Landline
Level 3 Communications, LLC - AK
2002/05/17
(240) 329-5
Landline
Fibernet, LLC - WV
2005/09/19
(240) 329-6
Wireless
Sprint Spectrum, LP - MD
2005/05/03
(240) 329-7
Wireless
Sprint Spectrum, LP - MD
2005/05/03
(240) 329-8
Wireless
Sprint Spectrum, LP - MD
2004/12/09
(240) 329-9
Landline
Level 3 Communications, LLC - AK
-
Landline
Bandwidth.com CLEC, LLC - MD
2008/08/04
(240) 347-0
Landline
Bandwidth.com CLEC, LLC - MD
2008/08/07
(240) 347-1
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(240) 347-2
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(240) 347-3
Landline
Bandwidth.com CLEC, LLC - MD
2010/02/22
(240) 347-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/07/30
(240) 347-5
Wireless
T-mobile USA, Inc.
2016/03/23
(240) 347-6
Landline
Ymax Communications Corp. - MD
2009/03/12
(240) 347-7
Landline
Ymax Communications Corp. - MD
2009/03/12
(240) 347-8
Landline
Ymax Communications Corp. - MD
2009/03/12
(240) 347-9
Landline
Ymax Communications Corp. - MD
2009/03/12
Landline
Teleport Communications America - ID - LLC
2009/06/11
(240) 382-0
Wireless
New Cingular Wireless PCS, LLC
2010/03/09
(240) 382-1
Landline
Comcast IP Phone, LLC
2009/11/18
(240) 382-2
Landline
Bandwidth.com CLEC, LLC - MD
2010/09/28
(240) 382-3
Landline
Bandwidth.com CLEC, LLC - MD
2010/11/03
(240) 382-4
Wireless
Sprint Spectrum, LP - MD
2010/03/04
(240) 382-5
Wireless
Sprint Spectrum, LP - MD
2010/03/04
(240) 382-6
Landline
Teleport Communications America - ID - LLC
2009/06/15
(240) 382-7
Wireless
Sprint Spectrum, LP - MD
2010/03/04
(240) 382-8
Wireless
Sprint Spectrum, LP - MD
2010/03/04
(240) 382-9
Wireless
Sprint Spectrum, LP - MD
2009/12/23
(240) 420
Landline
Verizon Maryland, Inc.
-
Landline
Lumos Networks Inc. - VA
2010/07/22
(240) 452-0
Landline
Bandwidth.com CLEC, LLC - MD
2011/05/03
(240) 452-1
Landline
Bandwidth.com CLEC, LLC - MD
2011/05/03
(240) 452-2
Wireless
Sprint Spectrum, LP - MD
2011/04/18
(240) 452-3
Landline
Lumos Networks Inc. - VA
2010/07/23
(240) 452-4
Landline
Level 3 Communications, LLC - AK
2010/12/14
(240) 452-5
Wireless
Sprint Spectrum, LP - MD
2011/04/18
(240) 452-6
Wireless
Sprint Spectrum, LP - MD
2011/04/18
(240) 452-7
Wireless
Sprint Spectrum, LP - MD
2011/04/18
(240) 452-8
Wireless
Sprint Spectrum, LP - MD
2011/04/18
(240) 452-9
Wireless
Sprint Spectrum, LP - MD
2011/04/18
Wireless
Sprint Spectrum, LP - MD
2008/02/14
(240) 469-0
Wireless
Omnipoint Communications Cap Operations, LLC
2008/06/17
(240) 469-1
Wireless
Sprint Spectrum, LP - MD
2011/03/03
(240) 469-2
Landline
Level 3 Communications, LLC - AK
2008/04/01
(240) 469-3
Landline
Ymax Communications Corp. - MD
2009/03/03
(240) 469-4
Landline
Bandwidth.com CLEC, LLC - MD
2008/09/12
(240) 469-5
Wireless
Sprint Spectrum, LP - MD
2009/12/23
(240) 469-6
Landline
Verizon Maryland, Inc.
2009/12/09
(240) 469-7
Wireless
New Cingular Wireless PCS, LLC
2008/11/26
(240) 469-8
Wireless
Sprint Spectrum, LP - MD
2008/02/14
(240) 469-9
Wireless
Sprint Spectrum, LP - MD
2008/02/14
Landline
Us Lec of Maryland, Inc.
2010/10/21
(240) 500-0
Wireless
Cellco Partnership DBA Verizon Wireless
2011/08/11
(240) 500-1
Landline
Us Lec of Maryland, Inc.
2010/10/27
(240) 500-2
Landline
Us Lec of Maryland, Inc.
2011/06/13
(240) 500-3
Landline
Mcimetro Access Transmission Services LLC
2011/09/16
(240) 500-4
Wireless
New Cingular Wireless PCS, LLC
2011/09/28
(240) 500-5
Wireless
New Cingular Wireless PCS, LLC
2011/09/28
(240) 500-6
Wireless
New Cingular Wireless PCS, LLC
2011/09/28
(240) 500-7
Wireless
Sprint Spectrum, LP - MD
2011/08/23
(240) 500-8
Wireless
Sprint Spectrum, LP - MD
2011/08/23
(240) 500-9
Wireless
Sprint Spectrum, LP - MD
2011/08/23
Wireless
Sprint Spectrum, LP - MD
2011/10/19
(240) 513-0
Wireless
Omnipoint Communications Cap Operations, LLC
2014/08/22
(240) 513-1
Wireless
Sprint Spectrum, LP - MD
2011/10/19
(240) 513-2
Landline
Level 3 Communications, LLC - AK
2013/10/24
(240) 513-3
Landline
Mcimetro Access Transmission Services LLC
2013/11/25
(240) 513-4
Landline
Level 3 Communications, LLC - AK
2015/07/08
(240) 513-5
Wireless
Cellco Partnership DBA Verizon Wireless
2015/03/26
(240) 513-6
Landline
Bandwidth.com CLEC, LLC - MD
2015/04/14
(240) 513-7
Landline
Bandwidth.com CLEC, LLC - MD
2015/04/14
(240) 513-8
Landline
Bandwidth.com CLEC, LLC - MD
2015/04/14
(240) 513-9
Wireless
Omnipoint Communications Cap Operations, LLC
2015/09/09
Wireless
Sprint Spectrum, LP - MD
2006/03/29
(240) 520-0
Wireless
New Cingular Wireless PCS, LLC
2006/08/15
(240) 520-1
Wireless
New Cingular Wireless PCS, LLC
2007/01/08
(240) 520-2
Wireless
New Cingular Wireless PCS, LLC
2007/01/08
(240) 520-3
Wireless
New Cingular Wireless PCS, LLC
2007/05/03
(240) 520-4
Wireless
Sprint Spectrum, LP - MD
2007/11/29
(240) 520-5
Wireless
Sprint Spectrum, LP - MD
2006/10/25
(240) 520-6
Wireless
Sprint Spectrum, LP - MD
2006/10/25
(240) 520-7
Wireless
Sprint Spectrum, LP - MD
2007/11/29
(240) 520-8
Wireless
Sprint Spectrum, LP - MD
2006/04/05
(240) 520-9
Wireless
Sprint Spectrum, LP - MD
2006/04/05
Landline
Verizon Maryland, Inc.
-
(240) 527-0
Wireless
Omnipoint Communications Cap Operations, LLC
2005/08/17
(240) 527-1
Wireless
New Cingular Wireless PCS, LLC
2006/03/17
(240) 527-2
Landline
Verizon Maryland, Inc.
-
(240) 527-3
Wireless
Omnipoint Communications Cap Operations, LLC
2005/07/22
(240) 527-4
Wireless
New Cingular Wireless PCS, LLC
2006/03/16
(240) 527-5
Wireless
New Cingular Wireless PCS, LLC
2006/03/16
(240) 527-6
Landline
Verizon Maryland, Inc.
-
(240) 527-7
Wireless
Sprint Spectrum, LP - MD
2004/06/23
(240) 527-8
Wireless
Sprint Spectrum, LP - MD
2004/04/21
(240) 527-9
Wireless
Sprint Spectrum, LP - MD
2004/01/06
Unknown
Atlantech Online, Inc. - MD
2017/09/15
(240) 537-0
Unknown
Atlantech Online, Inc. - MD
2017/09/15
(240) 537-1
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 537-2
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 537-3
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 537-4
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 537-5
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 537-6
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 537-7
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 537-8
Wireless
Cellco Partnership DBA Verizon Wireless
2018/03/02
(240) 537-9
Wireless
New Cingular Wireless PCS, LLC
2019/06/26
Landline
Vonage America LLC
2017/12/20
(240) 576-0
Landline
Vonage America LLC
2017/12/21
(240) 576-1
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 576-2
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 576-3
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 576-4
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 576-5
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 576-6
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 576-7
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 576-8
Landline
Core Communications, Inc.- MD
2018/10/10
(240) 576-9
Landline
Core Communications, Inc.- MD
2018/10/10
Unknown
Shentel Communications, LLC. - MD
2018/04/17
(240) 591-0
Landline
Peerless Network of Maryland, LLC
2020/03/17
(240) 591-1
Unknown
Shentel Communications, LLC. - MD
2018/04/18
(240) 591-2
Wireless
T-mobile USA, Inc.
2019/06/29
(240) 591-4
Landline
Level 3 Communications, LLC - AK
2020/02/20
(240) 591-5
Landline
Mcimetro Access Transmission Services LLC
2020/09/11
(240) 591-6
Landline
Mcimetro Access Transmission Services LLC
2020/09/11
(240) 591-7
Landline
Mcimetro Access Transmission Services LLC
2020/09/11
(240) 591-8
Wireless
Cellco Partnership DBA Verizon Wireless
2019/05/13
(240) 591-9
Wireless
Omnipoint Communications Cap Operations, LLC
2021/04/15
Wireless
Sprint Spectrum, LP - MD
2001/04/17
(240) 625-0
Wireless
Sprint Spectrum, LP - MD
2006/05/12
(240) 625-1
Wireless
Sprint Spectrum, LP - MD
2004/02/04
(240) 625-2
Wireless
New Cingular Wireless PCS, LLC
2005/06/30
(240) 625-3
Wireless
Sprint Spectrum, LP - MD
2004/12/07
(240) 625-4
Wireless
New Cingular Wireless PCS, LLC
2005/10/11
(240) 625-5
Wireless
New Cingular Wireless PCS, LLC
2005/12/07
(240) 625-6
Wireless
New Cingular Wireless PCS, LLC
2006/01/10
(240) 625-7
Wireless
New Cingular Wireless PCS, LLC
2006/01/10
(240) 625-8
Wireless
New Cingular Wireless PCS, LLC
2006/02/15
(240) 625-9
Landline
Fibernet, LLC - WV
2004/01/05
Wireless
New Cingular Wireless PCS, LLC
2012/01/27
(240) 707-0
Wireless
Cellco Partnership DBA Verizon Wireless
2012/05/04
(240) 707-1
Wireless
Cellco Partnership DBA Verizon Wireless
2013/06/20
(240) 707-2
Wireless
T-mobile USA, Inc.
2015/09/01
(240) 707-3
Landline
Us Lec of Maryland, Inc.
2012/06/07
(240) 707-4
Wireless
T-mobile USA, Inc.
2014/10/01
(240) 707-5
Wireless
T-mobile USA, Inc.
2014/10/01
(240) 707-6
Landline
Bandwidth.com CLEC, LLC - MD
2013/01/09
(240) 707-7
Wireless
New Cingular Wireless PCS, LLC
2012/01/30
(240) 707-8
Wireless
New Cingular Wireless PCS, LLC
2012/01/30
(240) 707-9
Wireless
New Cingular Wireless PCS, LLC
2012/01/30
Landline
Hd Carrier LLC
2020/08/12
(240) 730-0
Wireless
T-mobile USA, Inc.
2021/02/16
(240) 730-1
Landline
Onvoy, LLC - MD
2020/12/15
(240) 730-2
Landline
Onvoy, LLC - MD
2020/12/15
(240) 730-3
Landline
Onvoy, LLC - MD
2020/12/15
(240) 730-4
Landline
Radiantiq LLC
2021/03/11
(240) 730-5
Wireless
T-mobile USA, Inc.
2021/04/16
(240) 730-7
Wireless
Onvoy Spectrum, LLC
2021/04/27
(240) 730-8
Landline
Hd Carrier LLC
2020/08/13
(240) 730-9
Landline
Hd Carrier LLC
2020/08/13
Landline
Peerless Network of Maryland, LLC
2016/05/25
(240) 850-0
Landline
Peerless Network of Maryland, LLC
2016/05/25
(240) 850-1
Landline
Peerless Network of Maryland, LLC
2016/05/25
(240) 850-2
Landline
Bandwidth.com CLEC, LLC - MD
2016/07/22
(240) 850-3
Landline
Onvoy, LLC - MD
2016/08/30
(240) 850-4
Landline
Onvoy, LLC - MD
2016/08/30
(240) 850-5
Wireless
T-mobile USA, Inc.
2016/11/01
(240) 850-6
Landline
Peerless Network of Maryland, LLC
2018/10/22
(240) 850-7
Landline
Centurylink Communications LLC
2016/09/22
(240) 850-9
Wireless
T-mobile USA, Inc.
2017/02/01
Landline
Terra Nova Telecom Inc.
2019/09/20
(240) 866-0
Wireless
Cellco Partnership DBA Verizon Wireless
2019/12/09
(240) 866-1
Wireless
New Cingular Wireless PCS, LLC
2021/05/03
(240) 866-2
Landline
Onvoy, LLC - MD
2019/12/09
(240) 866-3
Landline
Onvoy, LLC - MD
2019/12/09
(240) 866-4
Landline
Us Lec of Maryland, Inc.
2020/08/17
(240) 866-6
Landline
Terra Nova Telecom Inc.
2019/09/23
(240) 866-8
Landline
Telnyx LLC
2021/06/23
Landline
Commio, LLC
2017/08/03
(240) 878-0
Wireless
Cellco Partnership DBA Verizon Wireless
2020/08/06
(240) 878-1
Wireless
Cellco Partnership DBA Verizon Wireless
2021/07/20
(240) 878-2
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 878-3
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 878-4
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 878-5
Wireless
Cellco Partnership DBA Verizon Wireless
2021/07/20
(240) 878-6
Landline
Commio, LLC
2017/08/04
(240) 878-7
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 878-8
Landline
Core Communications, Inc.- MD
2019/03/27
(240) 878-9
Wireless
Cellco Partnership DBA Verizon Wireless
2021/07/20
Wireless
Sprint Spectrum, LP - MD
2004/10/05
(301) 302-0
Landline
Bandwidth.com CLEC, LLC - MD
2004/10/06
(301) 302-1
Wireless
Sprint Spectrum, LP - MD
2005/03/02
(301) 302-2
Wireless
Sprint Spectrum, LP - MD
2006/03/07
(301) 302-3
Wireless
Sprint Spectrum, LP - MD
2006/03/22
(301) 302-4
Wireless
Sprint Spectrum, LP - MD
2006/03/22
(301) 302-5
Wireless
New Cingular Wireless PCS, LLC
2007/07/26
(301) 302-6
Wireless
New Cingular Wireless PCS, LLC
2007/07/26
(301) 302-7
Landline
Bandwidth.com CLEC, LLC - MD
2006/04/18
(301) 302-8
Landline
Mcimetro Access Transmission Services LLC
2006/02/14
(301) 302-9
Wireless
Sprint Spectrum, LP - MD
2005/02/18
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-0
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-1
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-2
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-3
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-4
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-5
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-6
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-7
Wireless
New Cingular Wireless PCS, LLC
-
(301) 331-8
Wireless
Sprint Spectrum, LP - MD
2004/03/10
(301) 331-9
Wireless
New Cingular Wireless PCS, LLC
-
Landline
Verizon Maryland, Inc.
-
(301) 393-0
Landline
Verizon Maryland, Inc.
-
(301) 393-1
Landline
Us Lec of Maryland, Inc.
2015/04/28
(301) 393-2
Landline
Verizon Maryland, Inc.
-
(301) 393-3
Landline
Verizon Maryland, Inc.
-
(301) 393-4
Landline
Verizon Maryland, Inc.
-
(301) 393-5
Landline
Verizon Maryland, Inc.
-
(301) 393-6
Landline
Us Lec of Maryland, Inc.
2017/03/29
(301) 393-7
Wireless
Omnipoint Communications Cap Operations, LLC
2016/06/16
(301) 393-8
Landline
Verizon Maryland, Inc.
-
(301) 393-9
Landline
Verizon Maryland, Inc.
-
(301) 491
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(301) 573
Wireless
Sprint Spectrum, LP - MD
-
Landline
Verizon Maryland, Inc.
-
(301) 582-0
Landline
Verizon Maryland, Inc.
-
(301) 582-1
Landline
Verizon Maryland, Inc.
-
(301) 582-2
Landline
Verizon Maryland, Inc.
-
(301) 582-3
Landline
Verizon Maryland, Inc.
-
(301) 582-4
Landline
Verizon Maryland, Inc.
-
(301) 582-5
Landline
Verizon Maryland, Inc.
-
(301) 582-6
Landline
Verizon Maryland, Inc.
-
(301) 582-7
Landline
Verizon Maryland, Inc.
-
(301) 582-8
Wireless
New Cingular Wireless PCS, LLC
2008/05/02
(301) 582-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 665-0
Wireless
Omnipoint Communications Cap Operations, LLC
2014/11/13
(301) 665-1
Landline
Verizon Maryland, Inc.
-
(301) 665-2
Landline
Verizon Maryland, Inc.
-
(301) 665-3
Landline
Verizon Maryland, Inc.
-
(301) 665-4
Landline
Verizon Maryland, Inc.
-
(301) 665-5
Landline
Verizon Maryland, Inc.
-
(301) 665-6
Wireless
T-mobile USA, Inc.
2016/02/10
(301) 665-7
Wireless
Omnipoint Communications Cap Operations, LLC
2014/11/13
(301) 665-8
Wireless
Omnipoint Communications Cap Operations, LLC
2015/10/28
(301) 665-9
Landline
Verizon Maryland, Inc.
-
(301) 671
Landline
New Frontiers Telecommunications, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 714-0
Landline
Verizon Maryland, Inc.
-
(301) 714-1
Landline
Verizon Maryland, Inc.
-
(301) 714-2
Landline
Verizon Maryland, Inc.
-
(301) 714-3
Landline
Verizon Maryland, Inc.
-
(301) 714-4
Landline
Verizon Maryland, Inc.
-
(301) 714-5
Landline
Verizon Maryland, Inc.
-
(301) 714-6
Landline
Verizon Maryland, Inc.
-
(301) 714-7
Landline
Verizon Maryland, Inc.
-
(301) 714-8
Wireless
Omnipoint Communications Cap Operations, LLC
2015/10/28
(301) 714-9
Landline
Verizon Maryland, Inc.
-
(301) 733
Landline
Verizon Maryland, Inc.
-
(301) 739
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 745-0
Landline
Verizon Maryland, Inc.
-
(301) 745-1
Landline
Verizon Maryland, Inc.
-
(301) 745-2
Landline
Level 3 Communications, LLC - AK
2016/03/23
(301) 745-3
Landline
Verizon Maryland, Inc.
-
(301) 745-4
Landline
Verizon Maryland, Inc.
-
(301) 745-5
Landline
Verizon Maryland, Inc.
-
(301) 745-6
Landline
Verizon Maryland, Inc.
-
(301) 745-7
Landline
Verizon Maryland, Inc.
-
(301) 745-8
Landline
Verizon Maryland, Inc.
-
(301) 766
Landline
Verizon Maryland, Inc.
-
(301) 790
Landline
Verizon Maryland, Inc.
-
(301) 791
Landline
Verizon Maryland, Inc.
-
(301) 797
Landline
Verizon Maryland, Inc.
-
Wireless
Sprint Spectrum, LP - MD
-
(301) 800-0
Landline
Bandwidth.com CLEC, LLC - MD
2010/07/08
(301) 800-1
Wireless
New Cingular Wireless PCS, LLC
2011/02/28
(301) 800-2
Wireless
New Cingular Wireless PCS, LLC
2011/02/28
(301) 800-3
Wireless
Sprint Spectrum, LP - MD
2010/04/30
(301) 800-4
Wireless
Sprint Spectrum, LP - MD
2010/04/30
(301) 800-5
Wireless
New Cingular Wireless PCS, LLC
2011/02/28
(301) 800-6
Wireless
Sprint Spectrum, LP - MD
2011/03/03
(301) 800-7
Landline
Bandwidth.com CLEC, LLC - MD
2011/05/03
(301) 800-8
Wireless
New Cingular Wireless PCS, LLC
2010/09/29
(301) 800-9
Wireless
New Cingular Wireless PCS, LLC
2010/09/29
Landline
Telnyx LLC
2017/06/02
(301) 936-0
Landline
Telnyx LLC
2021/06/25
(301) 936-1
Landline
Telnyx LLC
2017/06/02
(301) 936-2
Landline
Core Communications, Inc.- MD
2019/03/14
(301) 936-3
Landline
Core Communications, Inc.- MD
2019/03/27
(301) 936-4
Landline
Core Communications, Inc.- MD
2019/03/27
(301) 936-5
Wireless
New Cingular Wireless PCS, LLC
2020/07/01
(301) 936-6
Landline
Core Communications, Inc.- MD
2019/03/27
(301) 936-7
Landline
Core Communications, Inc.- MD
2019/03/27
(301) 936-8
Landline
Core Communications, Inc.- MD
2019/03/27
(301) 936-9
Landline
Core Communications, Inc.- MD
2019/03/27
(301) 988
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(301) 991
Wireless
Sprint Spectrum, LP - MD
-
(301) 992
Wireless
Sprint Spectrum, LP - MD
-
(301) 999
Landline
Verizon Maryland, Inc.
-