Landline
Verizon Maryland, Inc.
-
(410) 238-0
Landline
Verizon Maryland, Inc.
-
(410) 238-1
Landline
Verizon Maryland, Inc.
-
(410) 238-2
Landline
Verizon Maryland, Inc.
-
(410) 238-3
Landline
Verizon Maryland, Inc.
-
(410) 238-4
Landline
Verizon Maryland, Inc.
-
(410) 238-5
Landline
Verizon Maryland, Inc.
-
(410) 238-6
Landline
Verizon Maryland, Inc.
-
(410) 238-7
Landline
Verizon Maryland, Inc.
-
(410) 238-8
Landline
Verizon Maryland, Inc.
-
(410) 238-9
Landline
Baltimore-washington Telephone (Bwt)
2015/05/18
(410) 391
Landline
Verizon Maryland, Inc.
-
Landline
Mcimetro Access Transmission Services LLC
-
(410) 406-0
Landline
Vdl, Inc. DBA Global Telecom Brokers - MD
2003/10/17
(410) 406-1
Landline
Onvoy, LLC - MD
2016/02/23
(410) 406-2
Wireless
New Cingular Wireless PCS, LLC
2020/03/23
(410) 406-3
Landline
Level 3 Telecom of Maryland, LLC - MD
2006/05/03
(410) 406-4
Unknown
Barr Tell USA, Inc.
2016/11/18
(410) 406-5
Landline
Core Communications, Inc.- MD
2004/03/01
(410) 406-6
Landline
Onvoy, LLC - MD
2017/05/22
(410) 406-7
Landline
Bandwidth.com CLEC, LLC - MD
2004/10/20
(410) 406-8
Landline
Atx Telecommunications Services, Ltd
2004/02/27
(410) 406-9
Landline
Mcimetro Access Transmission Services LLC
-
(410) 574
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 682-0
Landline
Teleport Communications America - ID - LLC
-
(410) 682-1
Landline
Teleport Communications America - ID - LLC
-
(410) 682-2
Landline
Verizon Maryland, Inc.
-
(410) 682-3
Landline
Verizon Maryland, Inc.
-
(410) 682-4
Landline
Verizon Maryland, Inc.
-
(410) 682-5
Landline
Verizon Maryland, Inc.
-
(410) 682-6
Landline
Verizon Maryland, Inc.
-
(410) 682-7
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 682-8
Landline
Verizon Maryland, Inc.
-
(410) 682-9
Landline
Verizon Maryland, Inc.
-
(410) 686
Landline
Verizon Maryland, Inc.
-
(410) 687
Landline
Verizon Maryland, Inc.
-
(410) 780
Landline
Verizon Maryland, Inc.
-
(410) 866
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 918-0
Landline
Verizon Maryland, Inc.
-
(410) 918-1
Landline
Verizon Maryland, Inc.
-
(410) 918-2
Landline
Verizon Maryland, Inc.
-
(410) 918-3
Landline
Verizon Maryland, Inc.
-
(410) 918-4
Landline
Verizon Maryland, Inc.
-
(410) 918-5
Landline
Verizon Maryland, Inc.
-
(410) 918-6
Landline
Teleport Communications America - ID - LLC
-
(410) 918-7
Wireless
New Cingular Wireless PCS, LLC
2017/04/28
(410) 918-8
Wireless
New Cingular Wireless PCS, LLC
2017/04/28
(410) 918-9
Landline
Verizon Maryland, Inc.
-
(443) 231-0
Landline
Level 3 Communications, LLC - AK
2005/02/01
(443) 231-1
Landline
Ctc Communications Corp. - MD
2005/04/04
(443) 231-2
Landline
AT&T - Local
-
(443) 231-3
Landline
Level 3 Communications, LLC - AK
2006/03/29
(443) 231-4
Landline
Level 3 Communications, LLC - AK
2003/01/27
(443) 231-5
Landline
Comcast IP Phone, LLC
2005/02/11
(443) 231-6
Landline
Comcast IP Phone, LLC
2006/05/22
(443) 231-7
Landline
Comcast IP Phone, LLC
2006/05/22
(443) 231-8
Wireless
Omnipoint Communications Cap Operations, LLC
2006/07/26
(443) 231-9
Landline
Local Access LLC - MD
2016/05/03
Landline
Xo Maryland, LLC
-
(443) 460-0
Landline
Xo Maryland, LLC
-
(443) 460-1
Landline
Xo Maryland, LLC
-
(443) 460-2
Landline
Xo Maryland, LLC
-
(443) 460-3
Landline
Xo Maryland, LLC
-
(443) 460-4
Landline
Xo Maryland, LLC
-
(443) 460-5
Landline
Terra Nova Telecom Inc.
2020/12/30
(443) 460-6
Landline
Xo Maryland, LLC
-
(443) 460-7
Landline
Xo Maryland, LLC
-
(443) 460-8
Wireless
Omnipoint Communications Cap Operations, LLC
2008/03/03
(443) 460-9
Landline
Xo Maryland, LLC
-
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 505-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 505-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 505-2
Landline
Level 3 Communications, LLC - AK
2011/12/01
(443) 505-3
Landline
Comcast IP Phone, LLC
2014/03/10
(443) 505-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 505-5
Landline
Twilio International, Inc.
2020/11/30
(443) 505-6
Landline
Bandwidth.com CLEC, LLC - MD
2018/09/19
(443) 505-7
Landline
Level 3 Communications, LLC - AK
2008/05/06
(443) 505-8
Landline
Comcast IP Phone, LLC
2014/08/28
(443) 505-9
Wireless
Omnipoint Communications Cap Operations, LLC
2019/09/10
Landline
Comcast IP Phone, LLC
-
(443) 559-0
Landline
Comcast IP Phone, LLC
-
(443) 559-1
Wireless
Omnipoint Communications Cap Operations, LLC
2008/01/08
(443) 559-2
Wireless
Omnipoint Communications Cap Operations, LLC
2007/02/02
(443) 559-3
Landline
Core Communications, Inc.- MD
2019/04/12
(443) 559-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/03/30
(443) 559-5
Landline
Comcast IP Phone, LLC
2007/10/01
(443) 559-6
Landline
Comcast IP Phone, LLC
2007/10/01
(443) 559-7
Wireless
Omnipoint Communications Cap Operations, LLC
2008/05/19
(443) 559-8
Landline
Comcast IP Phone, LLC
2008/06/04
(443) 559-9
Landline
Comcast IP Phone, LLC
2008/06/04
Landline
Us Lec of Maryland, Inc.
-
(443) 579-0
Landline
Us Lec of Maryland, Inc.
-
(443) 579-1
Landline
Us Lec of Maryland, Inc.
-
(443) 579-2
Landline
Us Lec of Maryland, Inc.
-
(443) 579-3
Landline
Us Lec of Maryland, Inc.
-
(443) 579-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/05/28
(443) 579-5
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
(443) 579-6
Wireless
Omnipoint Communications Cap Operations, LLC
2008/06/17
(443) 579-7
Landline
Bandwidth.com CLEC, LLC - MD
2010/09/28
(443) 579-8
Landline
Bandwidth.com CLEC, LLC - MD
2011/01/31
(443) 579-9
Landline
Us Lec of Maryland, Inc.
-
Landline
Xo Maryland, LLC
-
(443) 596-0
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 596-1
Wireless
Omnipoint Communications Cap Operations, LLC
2020/03/25
(443) 596-2
Landline
Core Communications, Inc.- MD
2019/04/12
(443) 596-3
Landline
Comcast IP Phone, LLC
2017/07/17
(443) 596-4
Wireless
New Cingular Wireless PCS, LLC
2017/09/21
(443) 596-5
Wireless
New Cingular Wireless PCS, LLC
2017/09/21
(443) 596-6
Landline
Onvoy, LLC - MD
2018/04/30
(443) 596-7
Wireless
New Cingular Wireless PCS, LLC
2018/05/11
(443) 596-8
Landline
Comcast IP Phone, LLC
2018/09/04
(443) 596-9
Landline
Core Communications, Inc.- MD
2018/05/23
Wireless
Omnipoint Communications Cap Operations, LLC
2001/07/23
(443) 600-0
Wireless
Omnipoint Communications Cap Operations, LLC
-
(443) 600-1
Wireless
Omnipoint Communications Cap Operations, LLC
-
(443) 600-2
Wireless
Omnipoint Communications Cap Operations, LLC
2005/03/21
(443) 600-3
Wireless
Omnipoint Communications Cap Operations, LLC
2005/07/18
(443) 600-4
Wireless
Omnipoint Communications Cap Operations, LLC
2005/09/12
(443) 600-5
Wireless
Omnipoint Communications Cap Operations, LLC
2005/12/27
(443) 600-6
Wireless
Omnipoint Communications Cap Operations, LLC
-
(443) 600-7
Wireless
Omnipoint Communications Cap Operations, LLC
2006/03/02
(443) 600-8
Wireless
Omnipoint Communications Cap Operations, LLC
2006/04/10
(443) 600-9
Wireless
Omnipoint Communications Cap Operations, LLC
-
Landline
Teleport Communications America - ID - LLC
-
(443) 648-0
Wireless
New Cingular Wireless PCS, LLC
2018/11/09
(443) 648-1
Wireless
New Cingular Wireless PCS, LLC
2019/07/26
(443) 648-2
Landline
Us Lec of Maryland, Inc.
2007/05/17
(443) 648-3
Landline
Bandwidth.com CLEC, LLC - MD
2011/06/07
(443) 648-4
Landline
Teleport Communications America - ID - LLC
-
(443) 648-5
Landline
Bandwidth.com CLEC, LLC - MD
2015/01/14
(443) 648-6
Wireless
Omnipoint Communications Cap Operations, LLC
2015/03/17
(443) 648-7
Landline
Centurylink Communications, LLC LA
2014/05/27
(443) 648-8
Landline
Local Access LLC - MD
2013/08/12
(443) 648-9
Landline
Onvoy, LLC - MD
2012/09/11
Landline
Paetec Communications, Inc. - CA
-
(443) 730-0
Landline
Paetec Communications, Inc. - CA
-
(443) 730-1
Landline
Paetec Communications, Inc. - CA
-
(443) 730-2
Landline
Paetec Communications, Inc. - CA
-
(443) 730-3
Wireless
Omnipoint Communications Cap Operations, LLC
2015/07/15
(443) 730-4
Wireless
Omnipoint Communications Cap Operations, LLC
2015/07/15
(443) 730-5
Landline
Onvoy, LLC - MD
2015/12/15
(443) 730-6
Landline
Comcast IP Phone, LLC
2016/03/11
(443) 730-7
Landline
Onvoy, LLC - MD
2016/03/11
(443) 730-8
Landline
Paetec Communications, Inc. - CA
-
(443) 730-9
Landline
Paetec Communications, Inc. - CA
-
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/07/23
(443) 772-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 772-1
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 772-2
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 772-3
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 772-4
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 772-5
Wireless
Omnipoint Communications Cap Operations, LLC
2020/07/28
(443) 772-6
Wireless
Omnipoint Communications Cap Operations, LLC
2020/07/28
(443) 772-7
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 772-8
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 772-9
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
Landline
Verizon Maryland, Inc.
-
(443) 777-0
Landline
Telnyx LLC
2017/03/02
(443) 777-1
Landline
Verizon Maryland, Inc.
-
(443) 777-2
Landline
Verizon Maryland, Inc.
-
(443) 777-3
Landline
Verizon Maryland, Inc.
-
(443) 777-4
Landline
Verizon Maryland, Inc.
-
(443) 777-5
Landline
Verizon Maryland, Inc.
-
(443) 777-6
Landline
Verizon Maryland, Inc.
-
(443) 777-7
Landline
Verizon Maryland, Inc.
-
(443) 777-8
Landline
Verizon Maryland, Inc.
-
(443) 777-9
Landline
Core Communications, Inc.- MD
2019/04/12
Landline
Xo Maryland, LLC
-
(443) 815-0
Landline
Xo Maryland, LLC
-
(443) 815-1
Wireless
Omnipoint Communications Cap Operations, LLC
2014/10/13
(443) 815-2
Landline
Core Communications, Inc.- MD
2019/04/12
(443) 815-3
Landline
Comcast IP Phone, LLC
2013/09/09
(443) 815-4
Landline
Onvoy, LLC - MD
2014/10/08
(443) 815-5
Landline
Xo Maryland, LLC
-
(443) 815-6
Landline
Xo Maryland, LLC
-
(443) 815-7
Landline
Onvoy, LLC - MD
2014/10/08
(443) 815-8
Wireless
Omnipoint Communications Cap Operations, LLC
2014/09/10
(443) 815-9
Wireless
Omnipoint Communications Cap Operations, LLC
2014/10/13
Landline
Verizon Maryland, Inc.
-
(443) 868-0
Landline
Verizon Maryland, Inc.
-
(443) 868-1
Landline
Peerless Network of Maryland, LLC
2013/04/04
(443) 868-2
Landline
Onvoy, LLC - MD
2014/08/07
(443) 868-3
Landline
Mcimetro Access Transmission Services LLC
2008/09/11
(443) 868-4
Wireless
Omnipoint Communications Cap Operations, LLC
2016/03/31
(443) 868-5
Wireless
Omnipoint Communications Cap Operations, LLC
2016/03/31
(443) 868-6
Landline
Ctc Communications Corp. - MD
2011/10/11
(443) 868-7
Landline
Comcast IP Phone, LLC
2015/06/24
(443) 868-8
Wireless
Omnipoint Communications Cap Operations, LLC
2015/02/17
(443) 868-9
Landline
Peerless Network of Maryland, LLC
2013/04/04
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/05/11
(443) 969-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 969-1
Wireless
New Cingular Wireless PCS, LLC
2020/11/19
(443) 969-2
Landline
Comcast IP Phone, LLC
2006/11/29
(443) 969-3
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 969-4
Landline
Comcast IP Phone, LLC
2006/11/29
(443) 969-5
Wireless
Omnipoint Communications Cap Operations, LLC
2021/01/06
(443) 969-6
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 969-7
Landline
Onvoy, LLC - MD
2014/10/01
(443) 969-8
Landline
Onvoy, LLC - MD
2014/10/01
(443) 969-9
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
Landline
Bandwidth.com CLEC, LLC - MD
2021/02/22
(667) 304-0
Landline
Bandwidth.com CLEC, LLC - MD
2021/02/23
(667) 304-1
Wireless
New Cingular Wireless PCS, LLC
2021/03/02
(667) 304-2
Wireless
New Cingular Wireless PCS, LLC
2021/06/22
(667) 304-3
Wireless
Onvoy Spectrum, LLC
2021/04/23
(667) 304-4
Landline
Onvoy, LLC - MD
2021/06/15
(667) 304-5
Landline
Onvoy, LLC - MD
2021/06/15
(667) 304-6
Landline
Radiantiq LLC
2021/03/23
(667) 304-7
Landline
Mcimetro Access Transmission Services LLC
2021/06/30
(667) 304-8
Wireless
Omnipoint Communications Cap Operations, LLC
2021/04/01
(667) 304-9
Wireless
Omnipoint Communications Cap Operations, LLC
2021/05/07
Wireless
New Cingular Wireless PCS, LLC
2021/06/23
(667) 328-0
Wireless
Omnipoint Communications Cap Operations, LLC
2021/07/14
(667) 328-1
Wireless
Omnipoint Communications Cap Operations, LLC
2021/07/14
(667) 328-8
Wireless
New Cingular Wireless PCS, LLC
2021/06/23
(667) 328-9
Wireless
New Cingular Wireless PCS, LLC
2021/06/23