(410) 322
Wireless
New Cingular Wireless PCS, LLC
-
Landline
Verizon Maryland, Inc.
-
(410) 399-0
Landline
Verizon Maryland, Inc.
-
(410) 399-1
Wireless
Sprint Spectrum, L.P.
2011/09/29
(410) 399-2
Landline
Verizon Maryland, Inc.
-
(410) 399-3
Landline
Atx Telecommunications Services, Ltd
2003/02/27
(410) 399-4
Landline
Verizon Maryland, Inc.
-
(410) 399-5
Landline
Baltimore-washington Telephone (Bwt)
2015/05/12
(410) 399-6
Landline
Verizon Maryland, Inc.
-
(410) 399-7
Landline
Verizon Maryland, Inc.
-
(410) 399-8
Wireless
Sprint Spectrum, L.P.
2011/09/29
(410) 399-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 420-0
Landline
Verizon Maryland, Inc.
-
(410) 420-1
Landline
Verizon Maryland, Inc.
-
(410) 420-2
Landline
Verizon Maryland, Inc.
-
(410) 420-3
Landline
Verizon Maryland, Inc.
-
(410) 420-4
Landline
Vdl, Inc. DBA Global Telecom Brokers - MD
2004/01/21
(410) 420-5
Landline
Comcast IP Phone, LLC
2020/05/11
(410) 420-6
Landline
Verizon Maryland, Inc.
-
(410) 420-7
Landline
Verizon Maryland, Inc.
-
(410) 420-8
Landline
Verizon Maryland, Inc.
-
(410) 420-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 588-0
Landline
Verizon Maryland, Inc.
-
(410) 588-1
Landline
Verizon Maryland, Inc.
-
(410) 588-2
Landline
Verizon Maryland, Inc.
-
(410) 588-3
Landline
Verizon Maryland, Inc.
-
(410) 588-4
Landline
Verizon Maryland, Inc.
-
(410) 588-5
Landline
Verizon Maryland, Inc.
-
(410) 588-6
Wireless
Sprint Spectrum, L.P.
2004/05/12
(410) 588-7
Wireless
Sprint Spectrum, L.P.
2004/05/12
(410) 588-8
Landline
Verizon Maryland, Inc.
-
(410) 588-9
Wireless
Sprint Spectrum, L.P.
2005/08/23
(410) 638
Landline
Verizon Maryland, Inc.
-
(410) 652
Wireless
New Cingular Wireless PCS, LLC
-
Landline
Teleport Communications America - ID - LLC
-
(410) 776-0
Landline
Quantum Telecommunications, Inc. - MD
2003/10/22
(410) 776-1
Wireless
Sprint Spectrum, L.P.
2011/08/16
(410) 776-2
Landline
Teleport Communications America - ID - LLC
-
(410) 776-3
Landline
Comcast IP Phone, LLC
2005/02/10
(410) 776-4
Wireless
Sprint Spectrum, L.P.
2011/08/16
(410) 776-5
Wireless
Sprint Spectrum, L.P.
2011/08/16
(410) 776-6
Landline
Teleport Communications America - ID - LLC
-
(410) 776-7
Landline
Ctc Communications Corp. - MD
2005/03/09
(410) 776-8
Wireless
Sprint Spectrum, L.P.
2011/08/16
(410) 776-9
Wireless
Sprint Spectrum, L.P.
2011/08/16
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 809-0
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 809-1
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 809-2
Landline
Mcimetro Access Transmission Services LLC
2005/04/08
(410) 809-3
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 809-4
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 809-5
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 809-6
Landline
Verizon Maryland, Inc.
2005/05/11
(410) 809-7
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 809-8
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 809-9
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(410) 836
Landline
Verizon Maryland, Inc.
-
(410) 838
Landline
Verizon Maryland, Inc.
-
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 307-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 307-1
Wireless
New Cingular Wireless PCS, LLC
2005/01/19
(443) 307-2
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 307-3
Wireless
New Cingular Wireless PCS, LLC
2005/01/19
(443) 307-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 307-5
Wireless
Sprint Spectrum, L.P.
2005/11/11
(443) 307-6
Wireless
Sprint Spectrum, L.P.
2004/09/08
(443) 307-7
Wireless
Sprint Spectrum, L.P.
2004/09/08
(443) 307-8
Landline
Level 3 Communications, LLC - AK
-
(443) 307-9
Wireless
Sprint Spectrum, L.P.
2004/09/08
Landline
Level 3 Communications, LLC - AK
-
(443) 356-0
Wireless
New Cingular Wireless PCS, LLC
2009/02/11
(443) 356-1
Wireless
New Cingular Wireless PCS, LLC
2009/02/11
(443) 356-2
Wireless
New Cingular Wireless PCS, LLC
2009/02/11
(443) 356-3
Wireless
New Cingular Wireless PCS, LLC
2010/06/24
(443) 356-4
Landline
Level 3 Communications, LLC - AK
-
(443) 356-5
Wireless
New Cingular Wireless PCS, LLC
2009/02/11
(443) 356-6
Landline
Bandwidth.com CLEC, LLC - MD
2010/05/28
(443) 356-7
Wireless
New Cingular Wireless PCS, LLC
2010/06/24
(443) 356-8
Wireless
Sprint Spectrum, L.P.
2011/09/29
(443) 356-9
Wireless
Sprint Spectrum, L.P.
2011/09/29
(443) 369
Landline
Core Communications, Inc.- MD
-
Landline
Level 3 Communications, LLC - AK
-
(443) 371-0
Landline
Level 3 Communications, LLC - AK
2006/02/24
(443) 371-1
Wireless
Omnipoint Communications Cap Operations, LLC
2016/01/07
(443) 371-2
Landline
Comcast IP Phone, LLC
2013/09/06
(443) 371-3
Landline
Bandwidth.com CLEC, LLC - MD
2010/11/02
(443) 371-4
Landline
Paetec Communications, Inc. - CA
2006/03/13
(443) 371-5
Wireless
Sprint Spectrum, L.P.
2006/05/01
(443) 371-6
Landline
Comcast IP Phone, LLC
2007/09/10
(443) 371-7
Landline
Comcast IP Phone, LLC
2007/09/10
(443) 371-9
Landline
Level 3 Communications, LLC - AK
2008/01/22
(443) 528
Wireless
Sprint Spectrum, L.P.
-
Landline
Level 3 Communications, LLC - AK
-
(443) 567-0
Wireless
New Cingular Wireless PCS, LLC
2004/02/10
(443) 567-1
Wireless
New Cingular Wireless PCS, LLC
2004/02/10
(443) 567-2
Wireless
New Cingular Wireless PCS, LLC
2004/02/10
(443) 567-3
Wireless
New Cingular Wireless PCS, LLC
2004/02/10
(443) 567-4
Landline
Level 3 Communications, LLC - AK
-
(443) 567-5
Landline
Comcast IP Phone, LLC
2006/07/25
(443) 567-6
Landline
Comcast IP Phone, LLC
2006/07/25
(443) 567-7
Landline
Mcimetro Access Transmission Services LLC
2012/04/05
(443) 567-8
Wireless
New Cingular Wireless PCS, LLC
2004/02/10
(443) 567-9
Wireless
New Cingular Wireless PCS, LLC
2004/02/10
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 616-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 616-1
Wireless
Omnipoint Communications Cap Operations, LLC
2007/02/13
(443) 616-2
Landline
Level 3 Communications, LLC - AK
2008/01/30
(443) 616-3
Landline
Bandwidth.com CLEC, LLC - MD
2020/12/22
(443) 616-4
Wireless
Omnipoint Communications Cap Operations, LLC
2002/12/26
(443) 616-5
Wireless
Omnipoint Communications Cap Operations, LLC
2002/12/26
(443) 616-6
Wireless
Omnipoint Communications Cap Operations, LLC
2002/12/26
(443) 616-7
Wireless
Omnipoint Communications Cap Operations, LLC
2002/12/26
(443) 616-8
Wireless
Omnipoint Communications Cap Operations, LLC
2002/12/26
(443) 616-9
Wireless
Omnipoint Communications Cap Operations, LLC
2002/12/26
Wireless
Cellco Partnership DBA Verizon Wireless
2009/06/05
(443) 619-0
Wireless
Cellco Partnership DBA Verizon Wireless
2009/06/11
(443) 619-1
Wireless
Cellco Partnership DBA Verizon Wireless
2010/03/04
(443) 619-2
Wireless
Cellco Partnership DBA Verizon Wireless
2010/10/06
(443) 619-3
Wireless
Cellco Partnership DBA Verizon Wireless
2011/01/04
(443) 619-4
Wireless
Cellco Partnership DBA Verizon Wireless
2011/04/04
(443) 619-5
Wireless
Sprint Spectrum, L.P.
2011/03/07
(443) 619-6
Wireless
Sprint Spectrum, L.P.
2011/03/07
(443) 619-7
Landline
Bandwidth.com CLEC, LLC - MD
2011/06/07
(443) 619-8
Wireless
Cellco Partnership DBA Verizon Wireless
2011/06/24
(443) 619-9
Wireless
Cellco Partnership DBA Verizon Wireless
2011/02/02
Landline
Us Lec of Maryland, Inc.
2001/05/18
(443) 640-0
Landline
Us Lec of Maryland, Inc.
-
(443) 640-1
Landline
Us Lec of Maryland, Inc.
-
(443) 640-2
Landline
Us Lec of Maryland, Inc.
-
(443) 640-3
Landline
Us Lec of Maryland, Inc.
-
(443) 640-4
Landline
Comcast IP Phone, LLC
2008/04/18
(443) 640-5
Wireless
Cellco Partnership DBA Verizon Wireless
2009/01/05
(443) 640-6
Landline
Armstrong Telecommunications, Inc. - KY
2008/08/11
(443) 640-7
Wireless
New Cingular Wireless PCS, LLC
2012/01/24
(443) 640-8
Wireless
Omnipoint Communications Cap Operations, LLC
2008/03/24
(443) 640-9
Landline
Telnyx LLC
2021/02/05
Landline
Verizon Maryland, Inc.
-
(443) 643-0
Landline
Peerless Network of Maryland, LLC
2013/04/04
(443) 643-1
Landline
Verizon Maryland, Inc.
-
(443) 643-2
Landline
Verizon Maryland, Inc.
-
(443) 643-3
Landline
Verizon Maryland, Inc.
-
(443) 643-4
Landline
Verizon Maryland, Inc.
-
(443) 643-5
Wireless
New Cingular Wireless PCS, LLC
2006/03/22
(443) 643-6
Wireless
New Cingular Wireless PCS, LLC
2006/03/22
(443) 643-7
Wireless
New Cingular Wireless PCS, LLC
2006/03/22
(443) 643-8
Wireless
New Cingular Wireless PCS, LLC
2006/03/22
(443) 643-9
Landline
Peerless Network of Maryland, LLC
2013/04/04
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-0
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-1
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-2
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-3
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-4
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-5
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-6
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-7
Wireless
New Cingular Wireless PCS, LLC
-
(443) 655-8
Wireless
New Cingular Wireless PCS, LLC
2011/03/11
(443) 655-9
Wireless
New Cingular Wireless PCS, LLC
2011/03/11
Wireless
Cellco Partnership DBA Verizon Wireless
2001/10/17
(443) 752-0
Wireless
Cellco Partnership DBA Verizon Wireless
2008/02/05
(443) 752-1
Wireless
Cellco Partnership DBA Verizon Wireless
2007/03/09
(443) 752-2
Wireless
Cellco Partnership DBA Verizon Wireless
2006/09/06
(443) 752-3
Wireless
Cellco Partnership DBA Verizon Wireless
2006/12/15
(443) 752-4
Wireless
Cellco Partnership DBA Verizon Wireless
2007/05/17
(443) 752-5
Wireless
Cellco Partnership DBA Verizon Wireless
2007/08/02
(443) 752-6
Wireless
Cellco Partnership DBA Verizon Wireless
2007/08/02
(443) 752-7
Wireless
Cellco Partnership DBA Verizon Wireless
2007/08/02
(443) 752-8
Wireless
Cellco Partnership DBA Verizon Wireless
2007/11/28
(443) 752-9
Wireless
Cellco Partnership DBA Verizon Wireless
2007/12/27
Landline
Ctc Communications Corp. - MD
-
(443) 787-0
Landline
Terra Nova Telecom Inc.
2020/12/30
(443) 787-1
Landline
Ctc Communications Corp. - MD
-
(443) 787-2
Wireless
Omnipoint Communications Cap Operations, LLC
2016/01/07
(443) 787-3
Landline
Onvoy, LLC - MD
2014/08/07
(443) 787-4
Landline
Comcast IP Phone, LLC
2014/08/21
(443) 787-5
Wireless
New Cingular Wireless PCS, LLC
2014/10/27
(443) 787-6
Wireless
Omnipoint Communications Cap Operations, LLC
2014/11/13
(443) 787-7
Landline
Centurylink Communications, LLC LA
2014/03/06
(443) 787-8
Wireless
Omnipoint Communications Cap Operations, LLC
2014/09/10
(443) 787-9
Wireless
Omnipoint Communications Cap Operations, LLC
2014/11/13
Wireless
Omnipoint Communications Cap Operations, LLC
2015/01/21
(443) 819-0
Landline
Bandwidth.com CLEC, LLC - MD
2015/05/06
(443) 819-1
Landline
Onvoy, LLC - MD
2015/07/15
(443) 819-2
Landline
Onvoy, LLC - MD
2015/07/15
(443) 819-3
Landline
Comcast IP Phone, LLC
2016/08/19
(443) 819-4
Wireless
New Cingular Wireless PCS, LLC
2016/07/22
(443) 819-5
Wireless
New Cingular Wireless PCS, LLC
2016/11/11
(443) 819-6
Wireless
Omnipoint Communications Cap Operations, LLC
2015/09/09
(443) 819-7
Wireless
Omnipoint Communications Cap Operations, LLC
2015/09/09
(443) 819-8
Wireless
Omnipoint Communications Cap Operations, LLC
2015/01/26
(443) 819-9
Wireless
Omnipoint Communications Cap Operations, LLC
2015/01/26
(443) 866
Wireless
Sprint Spectrum, L.P.
2002/07/02
Wireless
Sprint Spectrum, L.P.
-
(443) 876-0
Wireless
Sprint Spectrum, L.P.
2010/07/06
(443) 876-1
Wireless
Sprint Spectrum, L.P.
2010/07/06
(443) 876-2
Wireless
Sprint Spectrum, L.P.
2007/06/26
(443) 876-3
Wireless
Sprint Spectrum, L.P.
2006/07/17
(443) 876-4
Wireless
Sprint Spectrum, L.P.
2006/01/03
(443) 876-5
Wireless
Sprint Spectrum, L.P.
2005/09/14
(443) 876-6
Wireless
Sprint Spectrum, L.P.
2007/02/13
(443) 876-7
Wireless
Sprint Spectrum, L.P.
2007/02/13
(443) 876-8
Wireless
Sprint Spectrum, L.P.
2007/06/26
(443) 876-9
Wireless
Sprint Spectrum, L.P.
2007/06/26
Wireless
Cellco Partnership DBA Verizon Wireless
2011/09/07
(443) 903-0
Wireless
Cellco Partnership DBA Verizon Wireless
2011/09/09
(443) 903-1
Wireless
Cellco Partnership DBA Verizon Wireless
2014/06/17
(443) 903-2
Landline
Onvoy, LLC - MD
2012/09/12
(443) 903-3
Landline
Onvoy, LLC - MD
2015/12/22
(443) 903-4
Wireless
Cellco Partnership DBA Verizon Wireless
2015/06/01
(443) 903-5
Wireless
Omnipoint Communications Cap Operations, LLC
2014/02/25
(443) 903-6
Wireless
New Cingular Wireless PCS, LLC
2011/11/15
(443) 903-7
Wireless
New Cingular Wireless PCS, LLC
2011/11/15
(443) 903-8
Wireless
Cellco Partnership DBA Verizon Wireless
2014/01/07
(443) 903-9
Wireless
Cellco Partnership DBA Verizon Wireless
2012/05/04
Wireless
New Cingular Wireless PCS, LLC
2001/04/20
(443) 910-0
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-1
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-2
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-3
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-4
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-5
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-6
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-7
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-8
Wireless
New Cingular Wireless PCS, LLC
-
(443) 910-9
Landline
Local Access LLC - MD
2013/08/12
(443) 987-0
Wireless
Cellco Partnership DBA Verizon Wireless
2008/04/02
(443) 987-1
Wireless
Cellco Partnership DBA Verizon Wireless
2008/07/03
(443) 987-2
Wireless
New Cingular Wireless PCS, LLC
2005/04/13
(443) 987-3
Wireless
Cellco Partnership DBA Verizon Wireless
2008/12/09
(443) 987-4
Wireless
Cellco Partnership DBA Verizon Wireless
2008/09/03
(443) 987-5
Wireless
Cellco Partnership DBA Verizon Wireless
2008/09/03
(443) 987-6
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
(443) 987-7
Wireless
Cellco Partnership DBA Verizon Wireless
2008/03/05
(443) 987-8
Wireless
Cellco Partnership DBA Verizon Wireless
2008/06/03
(443) 987-9
Landline
AT&T - Local
-
Wireless
Cellco Partnership DBA Verizon Wireless
2015/11/17
(667) 201-0
Wireless
Cellco Partnership DBA Verizon Wireless
2015/11/18
(667) 201-1
Wireless
Cellco Partnership DBA Verizon Wireless
2016/05/05
(667) 201-2
Landline
Local Access LLC - MD
2016/09/15
(667) 201-3
Wireless
New Cingular Wireless PCS, LLC
2017/10/17
(667) 201-4
Wireless
New Cingular Wireless PCS, LLC
2018/03/26
(667) 201-5
Landline
Onvoy, LLC - MD
2018/04/30
(667) 201-6
Landline
Onvoy, LLC - MD
2017/05/22
(667) 201-7
Landline
Telnyx LLC
2017/03/02
(667) 201-8
Wireless
Cellco Partnership DBA Verizon Wireless
2018/04/19
(667) 201-9
Wireless
Omnipoint Communications Cap Operations, LLC
2016/06/16
Landline
Mcimetro Access Transmission Services LLC
2020/01/27
(667) 276-0
Wireless
New Cingular Wireless PCS, LLC
2021/06/22
(667) 276-2
Landline
Twilio International, Inc.
2020/11/25
(667) 276-3
Landline
Mcimetro Access Transmission Services LLC
2020/01/28
(667) 276-4
Landline
Bandwidth.com CLEC, LLC - MD
2020/12/22
(667) 276-5
Landline
Radiantiq LLC
2021/03/23
(667) 276-6
Landline
Onvoy, LLC - MD
2021/02/03
(667) 276-7
Landline
Onvoy, LLC - MD
2021/02/03
(667) 276-8
Landline
Onvoy, LLC - MD
2021/02/03
(667) 276-9
Landline
Bandwidth.com CLEC, LLC - MD
2021/04/12
Landline
Bandwidth.com CLEC, LLC - MD
2021/04/13
(667) 315-0
Landline
Bandwidth.com CLEC, LLC - MD
2021/04/13
(667) 315-3
Wireless
Onvoy Spectrum, LLC
2021/04/23
Landline
Core Communications, Inc.- MD
2018/06/01
(667) 336-0
Landline
Core Communications, Inc.- MD
2018/06/04
(667) 336-1
Landline
Core Communications, Inc.- MD
2018/06/04
(667) 336-2
Landline
Core Communications, Inc.- MD
2019/04/16
(667) 336-3
Landline
Core Communications, Inc.- MD
2019/04/16
(667) 336-4
Landline
Core Communications, Inc.- MD
2019/04/16
(667) 336-5
Wireless
New Cingular Wireless PCS, LLC
2019/08/28
(667) 336-6
Landline
Core Communications, Inc.- MD
2019/04/16
(667) 336-7
Landline
Core Communications, Inc.- MD
2019/04/16
(667) 336-8
Landline
Core Communications, Inc.- MD
2018/06/04
(667) 336-9
Wireless
Omnipoint Communications Cap Operations, LLC
2018/12/20