(410) 287
Landline
Verizon Maryland, Inc.
-
Landline
Armstrong Telecommunications, Inc. - KY
2008/05/30
(410) 656-0
Landline
Armstrong Telecommunications, Inc. - KY
2008/05/30
(410) 656-1
Landline
Bandwidth.com CLEC, LLC - MD
2012/05/24
(410) 656-2
Landline
Bandwidth.com CLEC, LLC - MD
2010/12/13
(410) 656-3
Landline
Mcimetro Access Transmission Services LLC
2010/10/08
(410) 656-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(410) 656-5
Landline
Broadview Networks, Inc. - MD
2009/04/28
(410) 656-6
Landline
Onvoy, LLC - MD
2012/09/11
(410) 656-7
Landline
Comcast IP Phone, LLC
2013/12/18
(410) 656-8
Landline
Bandwidth.com CLEC, LLC - MD
2014/02/13
(410) 656-9
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
Landline
Ctc Communications Corp. - MD
-
(443) 256-0
Wireless
T-mobile USA, Inc.
2019/06/20
(443) 256-1
Landline
Ctc Communications Corp. - MD
-
(443) 256-2
Wireless
T-mobile USA, Inc.
2019/03/07
(443) 256-3
Landline
Bandwidth.com CLEC, LLC - MD
2014/05/16
(443) 256-4
Landline
Onvoy, LLC - MD
2014/08/27
(443) 256-5
Landline
Onvoy, LLC - MD
2014/08/27
(443) 256-6
Landline
Bandwidth.com CLEC, LLC - MD
2014/10/08
(443) 256-7
Landline
Centurylink Communications, LLC LA
2014/05/27
(443) 256-8
Wireless
New Cingular Wireless PCS, LLC
2014/09/02
(443) 256-9
Landline
Bandwidth.com CLEC, LLC - MD
2014/10/08
Landline
Teleport Communications America - ID - LLC
-
(443) 674-0
Landline
Level 3 Communications, LLC - AK
2006/05/01
(443) 674-1
Landline
Us Lec of Maryland, Inc.
2004/01/15
(443) 674-2
Wireless
New Cingular Wireless PCS, LLC
2019/09/18
(443) 674-3
Wireless
T-mobile USA, Inc.
2019/01/04
(443) 674-4
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 674-5
Landline
Core Communications, Inc.- MD
2004/03/04
(443) 674-6
Wireless
T-mobile USA, Inc.
2017/03/14
(443) 674-7
Wireless
T-mobile USA, Inc.
2017/07/20
(443) 674-8
Landline
Comcast IP Phone, LLC
2005/06/30
(443) 674-9
Landline
Teleport Communications America - ID - LLC
-
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(443) 715-0
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(443) 715-1
Landline
Radiantiq LLC
2021/03/23
(443) 715-2
Landline
Comcast IP Phone, LLC
2016/09/16
(443) 715-3
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
-
(443) 715-4
Landline
Onvoy, LLC - MD
2021/03/31
(443) 715-5
Landline
Core Communications, Inc.- MD
2018/05/23
(443) 715-6
Landline
Onvoy, LLC - MD
2021/03/31
(443) 715-7
Landline
Level 3 Communications, LLC - AK
2008/05/06
(443) 715-8
Landline
Twilio International, Inc.
2020/11/30
(443) 715-9
Landline
Core Communications, Inc.- MD
2018/05/23
Landline
Level 3 Communications, LLC - AK
-
(443) 877-0
Landline
Terra Nova Telecom Inc.
2020/12/30
(443) 877-1
Landline
Level 3 Communications, LLC - AK
2005/01/26
(443) 877-2
Wireless
New Cingular Wireless PCS, LLC
2017/09/13
(443) 877-3
Wireless
T-mobile USA, Inc.
2018/09/25
(443) 877-4
Landline
Level 3 Communications, LLC - AK
-
(443) 877-5
Landline
Bandwidth.com CLEC, LLC - MD
2015/01/14
(443) 877-6
Landline
Comcast IP Phone, LLC
2007/11/30
(443) 877-7
Wireless
New Cingular Wireless PCS, LLC
2014/04/02
(443) 877-8
Wireless
New Cingular Wireless PCS, LLC
2015/12/09
(443) 877-9
Landline
Bandwidth.com CLEC, LLC - MD
2015/01/14
Landline
Verizon Maryland, Inc.
2001/04/20
(443) 967-0
Landline
Verizon Maryland, Inc.
-
(443) 967-1
Landline
Peerless Network of Maryland, LLC
2013/04/04
(443) 967-2
Landline
Idt America, Corp. - MD
2011/12/08
(443) 967-3
Wireless
New Cingular Wireless PCS, LLC
2013/04/26
(443) 967-4
Wireless
New Cingular Wireless PCS, LLC
2016/07/22
(443) 967-5
Landline
Onvoy, LLC - MD
2016/02/23
(443) 967-6
Landline
Onvoy, LLC - MD
2016/02/23
(443) 967-7
Landline
Telnyx LLC
2017/04/14
(443) 967-8
Landline
Peerless Network of Maryland, LLC
2013/04/04
(443) 967-9
Wireless
T-mobile USA, Inc.
2018/12/07
Wireless
Onvoy Spectrum, LLC
2021/04/26
(667) 647-2
Landline
Onvoy, LLC - MD
2021/06/16
(667) 647-3
Landline
Onvoy, LLC - MD
2021/06/16
(667) 647-6
Wireless
Onvoy Spectrum, LLC
2021/04/27