(410) 265
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 277-0
Landline
Verizon Maryland, Inc.
-
(410) 277-1
Landline
Local Access LLC - MD
2015/02/23
(410) 277-2
Landline
Verizon Maryland, Inc.
-
(410) 277-3
Landline
Verizon Maryland, Inc.
-
(410) 277-4
Landline
Verizon Maryland, Inc.
-
(410) 277-5
Landline
Verizon Maryland, Inc.
-
(410) 277-6
Landline
Verizon Maryland, Inc.
-
(410) 277-7
Landline
Verizon Maryland, Inc.
-
(410) 277-8
Landline
Verizon Maryland, Inc.
-
(410) 277-9
Landline
Verizon Maryland, Inc.
-
(410) 281
Landline
Verizon Maryland, Inc.
-
(410) 298
Landline
Verizon Maryland, Inc.
-
(410) 594
Landline
Verizon Maryland, Inc.
-
(410) 597
Landline
Verizon Maryland, Inc.
-
Landline
Mcimetro Access Transmission Services LLC
-
(410) 645-0
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
(410) 645-1
Landline
Mcimetro Access Transmission Services LLC
-
(410) 645-2
Landline
Core Communications, Inc.- MD
2019/03/15
(410) 645-3
Landline
Vdl, Inc. DBA Global Telecom Brokers - MD
2004/01/21
(410) 645-4
Landline
Core Communications, Inc.- MD
2004/03/04
(410) 645-5
Landline
Level 3 Telecom of Maryland, LLC - MD
2006/05/03
(410) 645-6
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 645-7
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 645-8
Landline
Comcast IP Phone, LLC
2007/08/01
(410) 645-9
Landline
Mcimetro Access Transmission Services LLC
-
(410) 786
Landline
Mcimetro Access Transmission Services LLC
-
Landline
Mcimetro Access Transmission Services LLC
-
(410) 907-0
Landline
Mcimetro Access Transmission Services LLC
-
(410) 907-1
Wireless
New Cingular Wireless PCS, LLC
2019/10/14
(410) 907-2
Landline
Mcimetro Access Transmission Services LLC
-
(410) 907-3
Landline
Onvoy, LLC - MD
2016/03/11
(410) 907-4
Landline
Mcimetro Access Transmission Services LLC
-
(410) 907-5
Wireless
New Cingular Wireless PCS, LLC
2020/03/26
(410) 907-6
Wireless
New Cingular Wireless PCS, LLC
2020/03/26
(410) 907-7
Landline
Onvoy, LLC - MD
2016/03/11
(410) 907-8
Landline
Atx Telecommunications Services, Ltd
2006/02/23
(410) 907-9
Landline
Mcimetro Access Transmission Services LLC
-
(410) 944
Landline
Verizon Maryland, Inc.
-
(410) 965
Landline
Verizon Maryland, Inc.
-
(410) 966
Landline
Verizon Maryland, Inc.
-
Landline
Xo Maryland, LLC
2001/02/21
(443) 200-0
Landline
Xo Maryland, LLC
-
(443) 200-1
Landline
Xo Maryland, LLC
-
(443) 200-2
Landline
Comcast IP Phone, LLC
2006/07/25
(443) 200-3
Landline
Comcast IP Phone, LLC
2005/02/11
(443) 200-4
Landline
Xo Maryland, LLC
-
(443) 200-5
Landline
Comcast IP Phone, LLC
2006/07/25
(443) 200-6
Landline
Xo Maryland, LLC
-
(443) 200-7
Landline
Xo Maryland, LLC
-
(443) 200-8
Landline
Ip Horizon LLC
2021/07/22
(443) 200-9
Landline
Xo Maryland, LLC
-
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 316-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 316-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 316-2
Landline
AT&T - Local
2005/10/21
(443) 316-3
Landline
Ctc Communications Corp. - MD
2006/04/14
(443) 316-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 316-5
Landline
Level 3 Communications, LLC - AK
-
(443) 316-6
Landline
Level 3 Communications, LLC - AK
-
(443) 316-7
Wireless
New Cingular Wireless PCS, LLC
2020/03/26
(443) 316-8
Landline
Comcast IP Phone, LLC
2008/01/22
(443) 316-9
Wireless
New Cingular Wireless PCS, LLC
2020/04/21
Landline
Teleport Communications America - ID - LLC
-
(443) 348-0
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 348-1
Landline
Teleport Communications America - ID - LLC
-
(443) 348-2
Landline
Teleport Communications America - ID - LLC
-
(443) 348-3
Landline
Comcast IP Phone, LLC
2017/11/09
(443) 348-4
Landline
Teleport Communications America - ID - LLC
-
(443) 348-5
Landline
Comcast IP Phone, LLC
2014/09/09
(443) 348-6
Landline
Core Communications, Inc.- MD
2019/04/15
(443) 348-7
Landline
Comcast IP Phone, LLC
2011/11/01
(443) 348-8
Landline
Level 3 Communications, LLC - AK
2008/05/06
(443) 348-9
Landline
Core Communications, Inc.- MD
2018/10/11
Landline
Level 3 Communications, LLC - AK
-
(443) 380-0
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(443) 380-1
Landline
Bandwidth.com CLEC, LLC - MD
2010/08/05
(443) 380-2
Landline
Level 3 Communications, LLC - AK
2005/01/12
(443) 380-3
Landline
Bandwidth.com CLEC, LLC - MD
2010/09/28
(443) 380-4
Landline
Level 3 Communications, LLC - AK
2006/04/07
(443) 380-5
Landline
Verizon Maryland, Inc.
2011/03/16
(443) 380-6
Landline
Verizon Maryland, Inc.
2011/03/16
(443) 380-7
Landline
Verizon Maryland, Inc.
2011/03/16
(443) 380-8
Landline
Verizon Maryland, Inc.
2011/03/16
(443) 380-9
Wireless
New Cingular Wireless PCS, LLC
2020/04/21
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 429-0
Landline
Bandwidth.com CLEC, LLC - MD
2011/06/07
(443) 429-1
Landline
Onvoy, LLC - MD
2012/09/13
(443) 429-2
Landline
Comcast IP Phone, LLC
2014/03/24
(443) 429-3
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/10/22
(443) 429-4
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/10/22
(443) 429-5
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/10/22
(443) 429-6
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/10/22
(443) 429-7
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/10/22
(443) 429-8
Landline
Peerless Network of Maryland, LLC
2013/04/05
(443) 429-9
Landline
Peerless Network of Maryland, LLC
2013/04/05
Landline
Verizon Maryland, Inc.
-
(443) 436-0
Landline
Verizon Maryland, Inc.
-
(443) 436-1
Landline
Verizon Maryland, Inc.
-
(443) 436-2
Landline
Bandwidth.com CLEC, LLC - MD
2015/05/06
(443) 436-3
Landline
Verizon Maryland, Inc.
-
(443) 436-4
Landline
Verizon Maryland, Inc.
-
(443) 436-5
Landline
Verizon Maryland, Inc.
-
(443) 436-6
Landline
Verizon Maryland, Inc.
-
(443) 436-7
Landline
Verizon Maryland, Inc.
-
(443) 436-8
Landline
Verizon Maryland, Inc.
-
(443) 436-9
Landline
Verizon Maryland, Inc.
-
Landline
Level 3 Communications, LLC - AK
-
(443) 551-0
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 551-1
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 551-2
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 551-3
Landline
Comcast IP Phone, LLC
2013/04/18
(443) 551-4
Landline
Level 3 Communications, LLC - AK
-
(443) 551-5
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 551-6
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 551-7
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 551-8
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 551-9
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 658
Landline
Onvoy, LLC - MD
-
Landline
Verizon Maryland, Inc.
-
(443) 663-0
Landline
Baltimore-washington Telephone (Bwt)
2015/05/27
(443) 663-1
Landline
Xo Maryland, LLC
2013/10/23
(443) 663-2
Landline
Core Communications, Inc.- MD
2019/04/15
(443) 663-3
Landline
Onvoy, LLC - MD
2016/02/15
(443) 663-4
Landline
Onvoy, LLC - MD
2015/09/22
(443) 663-5
Landline
Onvoy, LLC - MD
2016/02/15
(443) 663-6
Landline
Verizon Maryland, Inc.
-
(443) 663-7
Landline
Centurylink Communications, LLC LA
2014/05/23
(443) 663-8
Landline
Verizon Maryland, Inc.
-
(443) 663-9
Landline
Local Access LLC - MD
2016/05/03
Landline
Paetec Communications, Inc. - CA
-
(443) 729-0
Landline
Paetec Communications, Inc. - CA
-
(443) 729-1
Landline
Paetec Communications, Inc. - CA
-
(443) 729-2
Landline
Paetec Communications, Inc. - CA
-
(443) 729-3
Landline
Telnyx LLC
2017/04/13
(443) 729-4
Landline
Paetec Communications, Inc. - CA
-
(443) 729-5
Landline
Paetec Communications, Inc. - CA
-
(443) 729-6
Wireless
New Cingular Wireless PCS, LLC
2018/12/05
(443) 729-7
Landline
Core Communications, Inc.- MD
2019/04/15
(443) 729-8
Landline
Paetec Communications, Inc. - CA
-
(443) 729-9
Landline
Paetec Communications, Inc. - CA
-
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/05/11
(443) 751-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 751-1
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 751-2
Landline
Core Communications, Inc.- MD
2019/04/15
(443) 751-3
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 751-4
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 751-5
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 751-6
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 751-7
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 751-8
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 751-9
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
Landline
Us Lec of Maryland, Inc.
2001/07/23
(443) 780-0
Landline
Us Lec of Maryland, Inc.
-
(443) 780-1
Landline
Us Lec of Maryland, Inc.
-
(443) 780-2
Landline
Us Lec of Maryland, Inc.
-
(443) 780-3
Landline
Us Lec of Maryland, Inc.
-
(443) 780-4
Wireless
New Cingular Wireless PCS, LLC
2017/10/27
(443) 780-5
Wireless
New Cingular Wireless PCS, LLC
2017/10/27
(443) 780-6
Wireless
New Cingular Wireless PCS, LLC
2019/05/22
(443) 780-7
Unknown
Barr Tell USA, Inc.
2016/11/18
(443) 780-8
Landline
Core Communications, Inc.- MD
2018/10/11
(443) 780-9
Landline
Us Lec of Maryland, Inc.
-
Landline
Xo Maryland, LLC
-
(443) 893-0
Landline
Xo Maryland, LLC
-
(443) 893-1
Wireless
New Cingular Wireless PCS, LLC
2020/04/21
(443) 893-2
Landline
Xo Maryland, LLC
-
(443) 893-3
Landline
Comcast IP Phone, LLC
2016/03/15
(443) 893-4
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 893-5
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 893-6
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 893-7
Landline
Xo Maryland, LLC
-
(443) 893-8
Landline
Core Communications, Inc.- MD
2019/04/15
(443) 893-9
Landline
Core Communications, Inc.- MD
2019/04/15
Landline
Fractel, LLC
2020/07/15
(667) 842-0
Landline
Bandwidth.com CLEC, LLC - MD
2020/07/28
(667) 842-1
Landline
Bandwidth.com CLEC, LLC - MD
2021/03/10
(667) 842-2
Landline
Twilio International, Inc.
2020/12/01
(667) 842-5
Landline
Fractel, LLC
2020/07/20
(667) 842-7
Landline
Radiantiq LLC
2021/03/23
(667) 842-8
Wireless
Onvoy Spectrum, LLC
2021/04/24
(667) 842-9
Landline
Peerless Network of Maryland, LLC
2021/06/17