(410) 259
Wireless
Cellco Partnership DBA Verizon Wireless
-
(410) 386
Landline
Verizon Maryland, Inc.
-
(410) 596
Wireless
Cellco Partnership DBA Verizon Wireless
-
(410) 751
Landline
Verizon Maryland, Inc.
-
(410) 848
Landline
Verizon Maryland, Inc.
-
(410) 857
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 861-0
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
(410) 861-1
Landline
Ctc Communications Corp. - MD
2007/01/10
(410) 861-2
Landline
Mcimetro Access Transmission Services LLC
2007/01/16
(410) 861-3
Wireless
Sprint Spectrum, L.P.
2010/07/07
(410) 861-4
Landline
Atx Telecommunications Services, Ltd
2006/04/14
(410) 861-5
Landline
Comcast IP Phone, LLC
2009/01/06
(410) 861-6
Landline
Comcast IP Phone, LLC
2007/01/09
(410) 861-7
Wireless
New Cingular Wireless PCS, LLC
2006/04/17
(410) 861-8
Landline
Verizon Maryland, Inc.
-
(410) 861-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 871-0
Landline
Verizon Maryland, Inc.
-
(410) 871-1
Landline
Verizon Maryland, Inc.
-
(410) 871-2
Landline
Verizon Maryland, Inc.
-
(410) 871-3
Landline
Verizon Maryland, Inc.
-
(410) 871-4
Landline
Quantum Telecommunications, Inc. - MD
2003/10/20
(410) 871-5
Landline
AT&T - Local
2003/10/15
(410) 871-6
Landline
Mcimetro Access Transmission Services LLC
-
(410) 871-7
Landline
Mcimetro Access Transmission Services LLC
-
(410) 871-8
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(410) 871-9
Landline
Verizon Maryland, Inc.
-
Wireless
New Cingular Wireless PCS, LLC
-
(443) 201-0
Landline
Local Access LLC - MD
2013/08/12
(443) 201-1
Landline
Bandwidth.com CLEC, LLC - MD
2015/05/06
(443) 201-2
Landline
Level 3 Communications, LLC - AK
2012/02/03
(443) 201-3
Wireless
New Cingular Wireless PCS, LLC
2014/09/03
(443) 201-4
Wireless
New Cingular Wireless PCS, LLC
2015/08/03
(443) 201-5
Landline
Centurylink Communications, LLC LA
2014/03/06
(443) 201-6
Wireless
New Cingular Wireless PCS, LLC
2012/08/07
(443) 201-7
Landline
Onvoy, LLC - MD
2012/09/13
(443) 201-8
Landline
Comcast IP Phone, LLC
2013/11/01
(443) 201-9
Landline
Comcast IP Phone, LLC
2015/08/18
(443) 241
Landline
Onvoy, LLC - MD
-
Landline
Level 3 Communications, LLC - AK
-
(443) 244-0
Wireless
New Cingular Wireless PCS, LLC
2003/02/04
(443) 244-1
Wireless
Cellco Partnership DBA Verizon Wireless
2004/07/08
(443) 244-2
Wireless
Cellco Partnership DBA Verizon Wireless
2004/02/03
(443) 244-3
Wireless
Cellco Partnership DBA Verizon Wireless
2005/09/07
(443) 244-4
Landline
Level 3 Communications, LLC - AK
-
(443) 244-5
Wireless
New Cingular Wireless PCS, LLC
2004/10/12
(443) 244-6
Landline
Onvoy, LLC - MD
2016/02/11
(443) 244-7
Wireless
Cellco Partnership DBA Verizon Wireless
2005/11/03
(443) 244-8
Landline
Vdl, Inc. DBA Global Telecom Brokers - MD
2003/10/17
(443) 244-9
Landline
Level 3 Communications, LLC - AK
2005/02/02
Landline
Mcimetro Access Transmission Services LLC
2011/05/16
(443) 289-0
Wireless
Cellco Partnership DBA Verizon Wireless
2011/09/02
(443) 289-1
Wireless
Cellco Partnership DBA Verizon Wireless
2011/09/02
(443) 289-2
Landline
Mcimetro Access Transmission Services LLC
2011/05/17
(443) 289-3
Landline
Mcimetro Access Transmission Services LLC
2011/05/17
(443) 289-4
Wireless
Sprint Spectrum, L.P.
2011/09/28
(443) 289-5
Wireless
Sprint Spectrum, L.P.
2011/09/28
(443) 289-6
Wireless
Sprint Spectrum, L.P.
2011/09/28
(443) 289-7
Wireless
Sprint Spectrum, L.P.
2011/09/28
(443) 289-8
Landline
Comcast IP Phone, LLC
2012/10/26
(443) 289-9
Landline
Comcast IP Phone, LLC
2014/02/07
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 293-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 293-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 293-2
Wireless
New Cingular Wireless PCS, LLC
2005/01/10
(443) 293-3
Landline
Paetec Communications, Inc. - CA
2006/07/03
(443) 293-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 293-6
Wireless
Cellco Partnership DBA Verizon Wireless
2011/09/02
(443) 293-7
Landline
Comcast IP Phone, LLC
2008/02/11
(443) 293-8
Landline
Xo Maryland, LLC
2007/05/02
(443) 293-9
Landline
Terra Nova Telecom Inc.
2020/12/30
(443) 340
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 368
Landline
Core Communications, Inc.- MD
-
Landline
Level 3 Communications, LLC - AK
-
(443) 487-0
Landline
Level 3 Communications, LLC - AK
-
(443) 487-1
Wireless
Cellco Partnership DBA Verizon Wireless
2008/02/05
(443) 487-2
Wireless
Cellco Partnership DBA Verizon Wireless
2008/03/05
(443) 487-3
Wireless
Cellco Partnership DBA Verizon Wireless
2009/01/05
(443) 487-4
Landline
Level 3 Communications, LLC - AK
2006/04/07
(443) 487-5
Landline
Us Lec of Maryland, Inc.
2002/10/29
(443) 487-6
Landline
Bandwidth.com CLEC, LLC - MD
2010/08/04
(443) 487-7
Wireless
Cellco Partnership DBA Verizon Wireless
2007/09/05
(443) 487-8
Landline
Xo Maryland, LLC
2002/11/04
Wireless
Sprint Spectrum, L.P.
-
(443) 536-0
Landline
Level 3 Communications, LLC - AK
2008/11/26
(443) 536-1
Wireless
Sprint Spectrum, L.P.
-
(443) 536-2
Wireless
Sprint Spectrum, L.P.
2005/01/04
(443) 536-3
Wireless
Sprint Spectrum, L.P.
-
(443) 536-4
Wireless
Sprint Spectrum, L.P.
2007/08/10
(443) 536-5
Wireless
Sprint Spectrum, L.P.
-
(443) 536-6
Wireless
Sprint Spectrum, L.P.
-
(443) 536-7
Wireless
Sprint Spectrum, L.P.
2007/08/10
(443) 536-8
Wireless
Sprint Spectrum, L.P.
2006/05/22
(443) 536-9
Wireless
Sprint Spectrum, L.P.
-
Wireless
Cellco Partnership DBA Verizon Wireless
2009/05/07
(443) 547-0
Wireless
Cellco Partnership DBA Verizon Wireless
2009/05/11
(443) 547-1
Wireless
Sprint Spectrum, L.P.
2009/08/28
(443) 547-2
Wireless
Cellco Partnership DBA Verizon Wireless
2009/09/03
(443) 547-3
Wireless
Cellco Partnership DBA Verizon Wireless
2010/01/07
(443) 547-4
Wireless
Cellco Partnership DBA Verizon Wireless
2010/04/05
(443) 547-5
Wireless
Cellco Partnership DBA Verizon Wireless
2010/06/03
(443) 547-6
Landline
Bandwidth.com CLEC, LLC - MD
2011/01/31
(443) 547-7
Wireless
Cellco Partnership DBA Verizon Wireless
2010/03/04
(443) 547-8
Wireless
Cellco Partnership DBA Verizon Wireless
2011/04/04
(443) 547-9
Wireless
Sprint Spectrum, L.P.
2010/07/07
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 605-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 605-1
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 605-2
Wireless
Cellco Partnership DBA Verizon Wireless
2005/06/02
(443) 605-3
Wireless
Cellco Partnership DBA Verizon Wireless
2006/01/05
(443) 605-4
Wireless
Cellco Partnership DBA Verizon Wireless
2006/03/06
(443) 605-5
Wireless
Cellco Partnership DBA Verizon Wireless
2005/04/07
(443) 605-6
Wireless
Cellco Partnership DBA Verizon Wireless
2005/04/07
(443) 605-7
Wireless
Cellco Partnership DBA Verizon Wireless
2006/07/06
(443) 605-8
Wireless
New Cingular Wireless PCS, LLC
2003/11/24
(443) 605-9
Wireless
New Cingular Wireless PCS, LLC
2003/11/24
Wireless
New Cingular Wireless PCS, LLC
-
(443) 789-0
Wireless
New Cingular Wireless PCS, LLC
-
(443) 789-1
Wireless
New Cingular Wireless PCS, LLC
-
(443) 789-2
Wireless
New Cingular Wireless PCS, LLC
-
(443) 789-3
Wireless
New Cingular Wireless PCS, LLC
2009/02/06
(443) 789-4
Wireless
New Cingular Wireless PCS, LLC
-
(443) 789-5
Landline
Xo Maryland, LLC
2008/09/25
(443) 789-6
Wireless
Sprint Spectrum, L.P.
2006/12/19
(443) 789-7
Wireless
Sprint Spectrum, L.P.
2006/12/19
(443) 789-8
Wireless
New Cingular Wireless PCS, LLC
2004/08/30
(443) 789-9
Wireless
New Cingular Wireless PCS, LLC
2004/08/30
Wireless
Sprint Spectrum, L.P.
2010/07/13
(443) 821-0
Landline
Bandwidth.com CLEC, LLC - MD
2010/09/28
(443) 821-1
Wireless
New Cingular Wireless PCS, LLC
2010/09/29
(443) 821-2
Wireless
New Cingular Wireless PCS, LLC
2010/10/15
(443) 821-3
Landline
Comcast IP Phone, LLC
2010/11/10
(443) 821-4
Wireless
Cellco Partnership DBA Verizon Wireless
2011/01/04
(443) 821-5
Wireless
Cellco Partnership DBA Verizon Wireless
2011/01/04
(443) 821-6
Wireless
Cellco Partnership DBA Verizon Wireless
2011/09/02
(443) 821-7
Landline
Bandwidth.com CLEC, LLC - MD
2011/05/04
(443) 821-8
Wireless
Sprint Spectrum, L.P.
2010/07/14
(443) 821-9
Wireless
Sprint Spectrum, L.P.
2010/07/14
Wireless
Cellco Partnership DBA Verizon Wireless
2011/09/07
(443) 952-0
Wireless
Cellco Partnership DBA Verizon Wireless
2011/09/09
(443) 952-1
Wireless
Cellco Partnership DBA Verizon Wireless
2012/05/18
(443) 952-2
Landline
Onvoy, LLC - MD
2016/02/11
(443) 952-3
Landline
Bandwidth.com CLEC, LLC - MD
2019/05/01
(443) 952-4
Landline
Onvoy, LLC - MD
2015/09/22
(443) 952-5
Landline
Mcimetro Access Transmission Services LLC
2013/08/13
(443) 952-6
Landline
Onvoy, LLC - MD
2014/08/07
(443) 952-7
Landline
Comcast IP Phone, LLC
2011/11/23
(443) 952-8
Landline
Peerless Network of Maryland, LLC
2013/04/05
(443) 952-9
Landline
Peerless Network of Maryland, LLC
2013/04/05
Landline
Teleport Communications America - ID - LLC
-
(443) 974-0
Wireless
Cellco Partnership DBA Verizon Wireless
2007/02/06
(443) 974-1
Wireless
Cellco Partnership DBA Verizon Wireless
2007/05/02
(443) 974-2
Wireless
Cellco Partnership DBA Verizon Wireless
2006/06/02
(443) 974-3
Wireless
Cellco Partnership DBA Verizon Wireless
2006/06/02
(443) 974-4
Wireless
Cellco Partnership DBA Verizon Wireless
2008/09/03
(443) 974-5
Wireless
New Cingular Wireless PCS, LLC
2006/08/29
(443) 974-6
Wireless
Cellco Partnership DBA Verizon Wireless
2006/10/04
(443) 974-7
Wireless
Cellco Partnership DBA Verizon Wireless
2006/12/05
(443) 974-8
Wireless
Cellco Partnership DBA Verizon Wireless
2007/01/04
(443) 974-9
Landline
Teleport Communications America - ID - LLC
-
Wireless
New Cingular Wireless PCS, LLC
2019/09/18
(667) 272-1
Wireless
Onvoy Spectrum, LLC
2021/04/24
(667) 272-2
Landline
Twilio International, Inc.
2020/12/01
(667) 272-3
Landline
Radiantiq LLC
2021/03/23
(667) 272-4
Wireless
New Cingular Wireless PCS, LLC
2019/09/18
(667) 272-5
Wireless
New Cingular Wireless PCS, LLC
2019/09/18
(667) 272-6
Wireless
New Cingular Wireless PCS, LLC
2019/09/18
(667) 272-7
Wireless
New Cingular Wireless PCS, LLC
2019/09/18
(667) 272-8
Unknown
Ton80 Communications, LLC
2021/06/17
(667) 272-9
Wireless
New Cingular Wireless PCS, LLC
2019/09/18
Unknown
Barr Tell USA, Inc.
-
(667) 314-0
Landline
Bandwidth.com CLEC, LLC - MD
2019/06/17
(667) 314-1
Unknown
Barr Tell USA, Inc.
2016/11/18
(667) 314-2
Wireless
New Cingular Wireless PCS, LLC
2016/09/15
(667) 314-3
Landline
Comcast IP Phone, LLC
2017/09/28
(667) 314-4
Landline
Telnyx LLC
2017/03/02
(667) 314-5
Wireless
Cellco Partnership DBA Verizon Wireless
2017/09/06
(667) 314-6
Landline
Onvoy, LLC - MD
2021/06/16
(667) 314-7
Landline
Core Communications, Inc.- MD
2018/06/13
(667) 314-8
Landline
Core Communications, Inc.- MD
2018/06/13
(667) 314-9
Landline
Core Communications, Inc.- MD
2018/06/13
Landline
Baltimore-washington Telephone (Bwt)
2015/05/21
(667) 367-0
Landline
Local Access LLC - MD
2016/05/03
(667) 367-1
Landline
Bandwidth.com CLEC, LLC - MD
2016/08/09
(667) 367-2
Landline
Comcast IP Phone, LLC
2016/05/26
(667) 367-3
Wireless
New Cingular Wireless PCS, LLC
2015/10/14
(667) 367-4
Wireless
New Cingular Wireless PCS, LLC
2016/06/23
(667) 367-5
Landline
Onvoy, LLC - MD
2015/12/23
(667) 367-6
Wireless
Sprint Spectrum, L.P.
2016/10/03
(667) 367-7
Wireless
Cellco Partnership DBA Verizon Wireless
2016/04/06
(667) 367-8
Wireless
New Cingular Wireless PCS, LLC
2018/03/26
(667) 367-9
Landline
Baltimore-washington Telephone (Bwt)
2015/05/27