Landline
Verizon Maryland, Inc.
-
(410) 405-0
Landline
Verizon Maryland, Inc.
-
(410) 405-1
Landline
Verizon Maryland, Inc.
-
(410) 405-2
Landline
Verizon Maryland, Inc.
-
(410) 405-4
Landline
Verizon Maryland, Inc.
-
(410) 405-5
Landline
Verizon Maryland, Inc.
-
(410) 405-7
Landline
Bandwidth.com CLEC, LLC - MD
2020/01/28
(410) 405-8
Landline
Verizon Maryland, Inc.
-
(410) 405-9
Landline
Verizon Maryland, Inc.
-
Landline
Teleport Communications America - ID - LLC
-
(410) 510-0
Landline
Teleport Communications America - ID - LLC
-
(410) 510-1
Landline
Teleport Communications America - ID - LLC
-
(410) 510-2
Wireless
Onvoy Spectrum, LLC
2020/06/26
(410) 510-3
Landline
Vdl, Inc. DBA Global Telecom Brokers - MD
2004/01/21
(410) 510-4
Wireless
Onvoy Spectrum, LLC
2020/06/26
(410) 510-5
Landline
Core Communications, Inc.- MD
2004/03/01
(410) 510-6
Wireless
Onvoy Spectrum, LLC
2020/06/26
(410) 510-7
Landline
Comcast IP Phone, LLC
2005/02/11
(410) 510-9
Landline
Terra Nova Telecom Inc.
2020/12/30
(410) 515
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 538-0
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 538-1
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 538-2
Landline
Bandwidth.com CLEC, LLC - MD
2010/09/21
(410) 538-3
Landline
Verizon Maryland, Inc.
-
(410) 538-4
Landline
Verizon Maryland, Inc.
-
(410) 538-5
Landline
Verizon Maryland, Inc.
-
(410) 538-6
Landline
Verizon Maryland, Inc.
-
(410) 538-7
Landline
Verizon Maryland, Inc.
-
(410) 538-8
Landline
Verizon Maryland, Inc.
-
(410) 538-9
Landline
Core Communications, Inc.- MD
2018/10/10
Landline
Verizon Maryland, Inc.
-
(410) 557-0
Landline
Verizon Maryland, Inc.
-
(410) 557-1
Landline
Ctc Communications Corp. - MD
2005/03/09
(410) 557-2
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 557-3
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 557-4
Landline
Verizon Maryland, Inc.
-
(410) 557-5
Landline
Baltimore-washington Telephone (Bwt)
2006/04/17
(410) 557-6
Landline
Verizon Maryland, Inc.
-
(410) 557-7
Landline
Verizon Maryland, Inc.
-
(410) 557-8
Landline
Verizon Maryland, Inc.
-
(410) 557-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 575-0
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 575-1
Landline
Level 3 Communications, LLC - AK
2008/05/05
(410) 575-2
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 575-3
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
(410) 575-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(410) 575-5
Landline
Verizon Maryland, Inc.
-
(410) 575-6
Landline
Verizon Maryland, Inc.
-
(410) 575-7
Landline
Verizon Maryland, Inc.
-
(410) 575-8
Landline
Verizon Maryland, Inc.
-
(410) 575-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 592-0
Landline
Verizon Maryland, Inc.
-
(410) 592-1
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 592-2
Landline
Verizon Maryland, Inc.
-
(410) 592-3
Landline
Verizon Maryland, Inc.
-
(410) 592-4
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 592-5
Landline
Verizon Maryland, Inc.
-
(410) 592-6
Landline
Verizon Maryland, Inc.
-
(410) 592-7
Landline
Verizon Maryland, Inc.
-
(410) 592-8
Landline
Verizon Maryland, Inc.
-
(410) 592-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 593-0
Landline
Onvoy, LLC - MD
2016/01/26
(410) 593-1
Landline
Onvoy, LLC - MD
2015/07/14
(410) 593-2
Landline
Verizon Maryland, Inc.
-
(410) 593-3
Landline
Onvoy, LLC - MD
2016/01/25
(410) 593-4
Landline
Verizon Maryland, Inc.
-
(410) 593-5
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 593-6
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 593-7
Landline
Comcast IP Phone, LLC
2011/11/18
(410) 593-8
Landline
Onvoy, LLC - MD
2016/01/26
(410) 593-9
Landline
Verizon Maryland, Inc.
-
(410) 679
Landline
Verizon Maryland, Inc.
-
Landline
Mcimetro Access Transmission Services LLC
-
(410) 698-0
Landline
Atx Telecommunications Services, Ltd
2003/02/03
(410) 698-1
Landline
Level 3 Communications, LLC - AK
2006/03/14
(410) 698-2
Wireless
New Cingular Wireless PCS, LLC
2004/04/21
(410) 698-3
Wireless
New Cingular Wireless PCS, LLC
2004/04/21
(410) 698-4
Landline
Level 3 Communications, LLC - AK
2003/07/29
(410) 698-5
Wireless
New Cingular Wireless PCS, LLC
2004/06/22
(410) 698-6
Landline
Level 3 Communications, LLC - AK
2004/12/16
(410) 698-7
Wireless
New Cingular Wireless PCS, LLC
2004/08/18
(410) 698-8
Wireless
New Cingular Wireless PCS, LLC
2004/08/18
(410) 698-9
Landline
Mcimetro Access Transmission Services LLC
-
Landline
Verizon Maryland, Inc.
-
(410) 803-0
Landline
Verizon Maryland, Inc.
-
(410) 803-1
Landline
Verizon Maryland, Inc.
-
(410) 803-2
Landline
Verizon Maryland, Inc.
-
(410) 803-3
Landline
Bandwidth.com CLEC, LLC - MD
2012/09/20
(410) 803-4
Landline
Verizon Maryland, Inc.
-
(410) 803-5
Landline
Bandwidth.com CLEC, LLC - MD
2011/07/05
(410) 803-6
Landline
Bandwidth.com CLEC, LLC - MD
2011/07/05
(410) 803-7
Landline
Verizon Maryland, Inc.
-
(410) 803-8
Landline
Verizon Maryland, Inc.
-
(410) 803-9
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 817-0
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 817-1
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 817-2
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 817-3
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 817-4
Landline
Verizon Maryland, Inc.
-
(410) 817-5
Landline
Verizon Maryland, Inc.
-
(410) 817-6
Landline
Verizon Maryland, Inc.
-
(410) 817-7
Landline
Onvoy, LLC - MD
2016/03/09
(410) 817-8
Landline
Verizon Maryland, Inc.
-
(410) 817-9
Landline
Verizon Maryland, Inc.
-
(410) 879
Landline
Verizon Maryland, Inc.
-
(410) 893
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 983-0
Landline
Verizon Maryland, Inc.
-
(410) 983-1
Wireless
New Cingular Wireless PCS, LLC
2004/10/08
(410) 983-2
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 983-3
Landline
Onvoy, LLC - MD
2014/09/03
(410) 983-4
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 983-5
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 983-6
Landline
Onvoy, LLC - MD
2014/09/03
(410) 983-7
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 983-8
Landline
Core Communications, Inc.- MD
2018/10/10
(410) 983-9
Landline
Bandwidth.com CLEC, LLC - MD
2014/05/07
Landline
Verizon Maryland, Inc.
-
(410) 989-0
Landline
Verizon Maryland, Inc.
-
(410) 989-1
Landline
Bandwidth.com CLEC, LLC - MD
2011/07/19
(410) 989-2
Landline
Bandwidth.com CLEC, LLC - MD
2011/07/19
(410) 989-3
Landline
Bandwidth.com CLEC, LLC - MD
2013/01/03
(410) 989-4
Landline
Onvoy, LLC - MD
2012/09/11
(410) 989-5
Landline
Bandwidth.com CLEC, LLC - MD
2013/01/03
(410) 989-6
Landline
Bandwidth.com CLEC, LLC - MD
2013/01/03
(410) 989-7
Landline
Bandwidth.com CLEC, LLC - MD
2014/01/21
(410) 989-8
Landline
Bandwidth.com CLEC, LLC - MD
2014/01/21
(410) 989-9
Landline
Bandwidth.com CLEC, LLC - MD
2014/01/21
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/05/10
(443) 265-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 265-1
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 265-2
Landline
Bandwidth.com CLEC, LLC - MD
2014/05/07
(443) 265-3
Landline
Twilio International, Inc.
2020/11/30
(443) 265-4
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 265-5
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 265-6
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 265-7
Landline
Centurylink Communications, LLC LA
2014/05/14
(443) 265-8
Landline
Local Access LLC - MD
2016/05/03
(443) 265-9
Landline
Bandwidth.com CLEC, LLC - MD
2020/12/10
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 313-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 313-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 313-2
Landline
Level 3 Communications, LLC - AK
-
(443) 313-3
Landline
Comcast IP Phone, LLC
2015/03/09
(443) 313-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 313-5
Landline
Level 3 Communications, LLC - AK
-
(443) 313-6
Landline
Onvoy, LLC - MD
2016/03/08
(443) 313-7
Landline
Onvoy, LLC - MD
2016/03/08
(443) 313-8
Landline
Peerless Network of Maryland, LLC
2013/04/04
(443) 313-9
Landline
Peerless Network of Maryland, LLC
2013/04/04
(443) 421
Wireless
New Cingular Wireless PCS, LLC
-
Landline
Ctc Communications Corp. - MD
-
(443) 606-0
Landline
Bandwidth.com CLEC, LLC - MD
2014/09/18
(443) 606-1
Landline
Ctc Communications Corp. - MD
-
(443) 606-2
Landline
Bandwidth.com CLEC, LLC - MD
2014/09/18
(443) 606-3
Landline
Bandwidth.com CLEC, LLC - MD
2014/09/18
(443) 606-4
Landline
Bandwidth.com CLEC, LLC - MD
2014/09/18
(443) 606-5
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 606-6
Landline
Onvoy, LLC - MD
2015/11/12
(443) 606-7
Landline
Core Communications, Inc.- MD
2018/10/10
(443) 606-8
Landline
Telnyx LLC
2017/04/13
(443) 606-9
Landline
Local Access LLC - MD
2015/02/19
Landline
Level 3 Communications, LLC - AK
2001/02/21
(443) 625-0
Landline
Core Communications, Inc.- MD
2018/10/10
(443) 625-1
Landline
Level 3 Communications, LLC - AK
2001/09/28
(443) 625-2
Landline
Onvoy, LLC - MD
2015/06/01
(443) 625-3
Landline
Mcimetro Access Transmission Services LLC
2008/09/11
(443) 625-4
Landline
Onvoy, LLC - MD
2015/06/01
(443) 625-5
Landline
Us Lec of Maryland, Inc.
2002/10/29
(443) 625-6
Landline
Bandwidth.com CLEC, LLC - MD
2011/08/08
(443) 625-7
Landline
Bandwidth.com CLEC, LLC - MD
2011/08/08
(443) 625-8
Wireless
New Cingular Wireless PCS, LLC
2004/03/10
(443) 625-9
Wireless
New Cingular Wireless PCS, LLC
2004/01/28
Landline
AT&T - Local
2020/07/06
(667) 283-0
Landline
Bandwidth.com CLEC, LLC - MD
2020/12/10
(667) 283-1
Landline
Bandwidth.com CLEC, LLC - MD
2021/03/10
(667) 283-2
Landline
Radiantiq LLC
2021/03/23
(667) 283-3
Landline
Onvoy, LLC - MD
2021/06/15
(667) 283-4
Landline
Onvoy, LLC - MD
2021/06/15
(667) 283-8
Landline
Peerless Network of Maryland, LLC
2021/01/28
(667) 283-9
Landline
AT&T - Local
2020/07/07