Wireless
New Cingular Wireless PCS, LLC
-
(410) 231-0
Wireless
New Cingular Wireless PCS, LLC
-
(410) 231-1
Wireless
New Cingular Wireless PCS, LLC
-
(410) 231-2
Landline
Comcast IP Phone, LLC
2007/07/17
(410) 231-3
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
(410) 231-4
Wireless
New Cingular Wireless PCS, LLC
-
(410) 231-5
Landline
AT&T - Local
2007/07/10
(410) 231-6
Wireless
New Cingular Wireless PCS, LLC
-
(410) 231-7
Landline
Peerless Network of Maryland, LLC
2013/04/05
(410) 231-8
Wireless
New Cingular Wireless PCS, LLC
-
(410) 231-9
Wireless
New Cingular Wireless PCS, LLC
-
(410) 326
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(410) 394-0
Landline
Verizon Maryland, Inc.
-
(410) 394-1
Landline
Verizon Maryland, Inc.
-
(410) 394-2
Landline
Verizon Maryland, Inc.
-
(410) 394-3
Landline
Verizon Maryland, Inc.
-
(410) 394-4
Landline
Core Communications, Inc.- MD
2004/03/04
(410) 394-5
Landline
Level 3 Communications, LLC - AK
2011/11/08
(410) 394-6
Landline
Verizon Maryland, Inc.
-
(410) 394-7
Landline
Us Lec of Maryland, Inc.
2004/01/15
(410) 394-8
Landline
Level 3 Communications, LLC - AK
2008/05/06
(410) 394-9
Landline
Level 3 Communications, LLC - AK
2006/02/08
Landline
Bandwidth.com CLEC, LLC - MD
2010/02/12
(410) 449-0
Landline
Bandwidth.com CLEC, LLC - MD
2010/02/16
(410) 449-1
Landline
Peerless Network of Maryland, LLC
2013/04/05
(410) 449-2
Landline
Bandwidth.com CLEC, LLC - MD
2011/04/20
(410) 449-3
Landline
Mcimetro Access Transmission Services LLC
2011/07/11
(410) 449-4
Landline
Bandwidth.com CLEC, LLC - MD
2010/05/28
(410) 449-5
Landline
Bandwidth.com CLEC, LLC - MD
2012/05/29
(410) 449-6
Landline
Comcast IP Phone, LLC
2012/11/12
(410) 449-7
Landline
Onvoy, LLC - MD
2012/09/12
(410) 449-8
Landline
Comcast IP Phone, LLC
2014/06/10
(410) 449-9
Wireless
Sprint Spectrum, L.P.
2013/02/07
Landline
Ctc Communications Corp. - MD
-
(443) 342-0
Landline
Twilio International, Inc.
2020/12/01
(443) 342-1
Landline
Ctc Communications Corp. - MD
-
(443) 342-2
Landline
Onvoy, LLC - MD
2016/03/08
(443) 342-3
Landline
Onvoy, LLC - MD
2014/08/20
(443) 342-4
Landline
Bandwidth.com CLEC, LLC - MD
2014/12/09
(443) 342-5
Landline
Bandwidth.com CLEC, LLC - MD
2015/01/14
(443) 342-6
Landline
Bandwidth.com CLEC, LLC - MD
2015/06/09
(443) 342-7
Landline
Centurylink Communications, LLC LA
2014/05/27
(443) 342-8
Landline
Comcast IP Phone, LLC
2015/05/20
(443) 342-9
Landline
Onvoy, LLC - MD
2016/03/09
Wireless
Sprint Spectrum, L.P.
-
(443) 404-0
Wireless
Sprint Spectrum, L.P.
2007/03/07
(443) 404-1
Wireless
Sprint Spectrum, L.P.
-
(443) 404-2
Landline
Teleport Communications America - ID - LLC
2007/01/26
(443) 404-3
Wireless
Sprint Spectrum, L.P.
2007/03/07
(443) 404-4
Wireless
Sprint Spectrum, L.P.
2007/03/07
(443) 404-5
Landline
Comcast IP Phone, LLC
2005/02/11
(443) 404-6
Wireless
Sprint Spectrum, L.P.
2006/07/17
(443) 404-7
Wireless
Sprint Spectrum, L.P.
2004/07/02
(443) 404-8
Wireless
Sprint Spectrum, L.P.
2003/11/10
(443) 404-9
Wireless
Sprint Spectrum, L.P.
-
Landline
Radiantiq LLC
2021/03/25
(667) 397-1
Wireless
T-mobile USA, Inc.
2021/05/04
(667) 397-3
Wireless
Onvoy Spectrum, LLC
2021/04/24
(667) 397-4
Landline
Onvoy, LLC - MD
2021/06/16
(667) 397-5
Landline
Onvoy, LLC - MD
2021/06/16
(667) 397-6
Landline
Radiantiq LLC
2021/03/26
Landline
Core Communications, Inc.- MD
2018/10/16
(667) 473-0
Landline
Core Communications, Inc.- MD
2018/10/17
(667) 473-1
Landline
Core Communications, Inc.- MD
2018/10/17
(667) 473-2
Landline
Peerless Network of Maryland, LLC
2018/10/19
(667) 473-3
Wireless
Sprint Spectrum, L.P.
2018/12/31
(667) 473-4
Landline
Core Communications, Inc.- MD
2019/06/10
(667) 473-5
Landline
Core Communications, Inc.- MD
2018/10/17
(667) 473-6
Landline
Core Communications, Inc.- MD
2019/03/15
(667) 473-7
Landline
Core Communications, Inc.- MD
2019/03/15
(667) 473-8
Landline
Core Communications, Inc.- MD
2019/06/10
(667) 473-9
Landline
Core Communications, Inc.- MD
2019/06/10
Landline
Bandwidth.com CLEC, LLC - MD
2013/08/16
(667) 803-0
Landline
Bandwidth.com CLEC, LLC - MD
2013/08/20
(667) 803-1
Landline
Onvoy, LLC - MD
2016/03/09
(667) 803-2
Landline
Onvoy, LLC - MD
2016/03/09
(667) 803-3
Landline
Onvoy, LLC - MD
2016/02/23
(667) 803-4
Landline
Bandwidth.com CLEC, LLC - MD
2016/06/21
(667) 803-5
Landline
Core Communications, Inc.- MD
2018/06/07
(667) 803-6
Landline
Core Communications, Inc.- MD
2018/06/07
(667) 803-7
Landline
Core Communications, Inc.- MD
2018/06/07
(667) 803-8
Landline
Bandwidth.com CLEC, LLC - MD
2018/07/17
(667) 803-9
Landline
Telnyx LLC
2017/04/14