Landline
Verizon Maryland, Inc.
-
(410) 343-0
Landline
Verizon Maryland, Inc.
-
(410) 343-1
Landline
Verizon Maryland, Inc.
-
(410) 343-2
Landline
Verizon Maryland, Inc.
-
(410) 343-3
Landline
Verizon Maryland, Inc.
-
(410) 343-4
Landline
Onvoy, LLC - MD
2016/03/16
(410) 343-5
Landline
Core Communications, Inc.- MD
2004/03/04
(410) 343-6
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 343-7
Landline
Level 3 Communications, LLC - AK
2006/02/08
(410) 343-8
Landline
Atx Telecommunications Services, Ltd
2006/01/19
(410) 343-9
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
Landline
Verizon Maryland, Inc.
-
(410) 472-0
Landline
Verizon Maryland, Inc.
-
(410) 472-1
Landline
Verizon Maryland, Inc.
-
(410) 472-2
Landline
Verizon Maryland, Inc.
-
(410) 472-3
Landline
Verizon Maryland, Inc.
-
(410) 472-4
Landline
Verizon Maryland, Inc.
-
(410) 472-5
Landline
Level 3 Communications, LLC - AK
2011/03/10
(410) 472-6
Landline
Verizon Maryland, Inc.
-
(410) 472-7
Landline
Verizon Maryland, Inc.
-
(410) 472-8
Landline
Core Communications, Inc.- MD
2019/04/12
(410) 472-9
Landline
Verizon Maryland, Inc.
-
Landline
Us Lec of Maryland, Inc.
-
(443) 212-0
Landline
Radiantiq LLC
2021/03/23
(443) 212-1
Landline
Us Lec of Maryland, Inc.
2003/03/04
(443) 212-2
Landline
Terra Nova Telecom Inc.
2020/12/30
(443) 212-3
Landline
Onvoy, LLC - MD
2021/02/03
(443) 212-4
Landline
Paetec Communications, Inc. - CA
2004/09/17
(443) 212-5
Landline
Comcast IP Phone, LLC
2005/02/11
(443) 212-6
Landline
Level 3 Communications, LLC - AK
2006/05/05
(443) 212-7
Landline
Mcimetro Access Transmission Services LLC
2008/05/27
(443) 212-8
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(443) 212-9
Landline
Onvoy, LLC - MD
2021/04/21
Landline
Ctc Communications Corp. - MD
-
(443) 338-0
Landline
Bandwidth.com CLEC, LLC - MD
2019/05/09
(443) 338-1
Landline
Local Access LLC - MD
2015/02/19
(443) 338-2
Landline
Ctc Communications Corp. - MD
-
(443) 338-3
Landline
Bandwidth.com CLEC, LLC - MD
2015/06/09
(443) 338-4
Landline
Comcast IP Phone, LLC
2015/07/20
(443) 338-5
Landline
Local Access LLC - MD
2016/05/03
(443) 338-6
Landline
Bandwidth.com CLEC, LLC - MD
2017/01/30
(443) 338-7
Landline
Centurylink Communications, LLC LA
2014/05/27
(443) 338-8
Landline
Onvoy, LLC - MD
2016/03/01
(443) 338-9
Landline
Onvoy, LLC - MD
2016/03/01
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 595-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 595-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 595-2
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 595-3
Landline
Ctc Communications Corp. - MD
2006/06/01
(443) 595-4
Landline
Bandwidth.com CLEC, LLC - MD
2020/09/01
(443) 595-5
Landline
Twilio International, Inc.
2020/12/01
(443) 595-6
Landline
Bandwidth.com CLEC, LLC - MD
2011/01/19
(443) 595-7
Landline
Bandwidth.com CLEC, LLC - MD
2011/04/20
(443) 595-8
Landline
Comcast IP Phone, LLC
2012/04/27
(443) 595-9
Landline
Onvoy, LLC - MD
2012/09/12
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/05/10
(443) 662-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 662-1
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 662-2
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 662-3
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 662-4
Landline
Teleport Communications America - ID - LLC
2004/06/29
(443) 662-5
Landline
Bandwidth.com CLEC, LLC - MD
2020/06/03
(443) 662-6
Landline
Telnyx LLC
2017/04/14
(443) 662-7
Landline
Peerless Network of Maryland, LLC
2013/04/05
(443) 662-8
Landline
Peerless Network of Maryland, LLC
2013/04/05
(443) 662-9
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
Wireless
Onvoy Spectrum, LLC
2021/04/26
(667) 772-2
Landline
Onvoy, LLC - MD
2021/06/16
(667) 772-3
Landline
Onvoy, LLC - MD
2021/06/16
(667) 772-7
Wireless
Onvoy Spectrum, LLC
2021/04/27