(410) 255
Landline
Verizon Maryland, Inc.
-
Landline
Mcimetro Access Transmission Services LLC
-
(410) 317-1
Landline
Vdl, Inc. DBA Global Telecom Brokers - MD
2004/01/21
(410) 317-2
Landline
Core Communications, Inc.- MD
2004/03/01
(410) 317-4
Landline
Mcimetro Access Transmission Services LLC
-
(410) 317-5
Landline
Comcast IP Phone, LLC
2007/09/10
(410) 317-6
Landline
Broadview Networks, Inc. - MD
2009/12/23
(410) 317-7
Landline
Core Communications, Inc.- MD
2008/04/18
(410) 317-8
Landline
Level 3 Communications, LLC - AK
2008/04/28
(410) 317-9
Landline
Mcimetro Access Transmission Services LLC
-
(410) 360
Landline
Verizon Maryland, Inc.
-
(410) 437
Landline
Verizon Maryland, Inc.
-
(410) 439
Landline
Verizon Maryland, Inc.
-
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 305-0
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 305-1
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 305-2
Landline
Comcast IP Phone, LLC
2005/02/10
(443) 305-3
Landline
Level 3 Communications, LLC - AK
2008/04/28
(443) 305-4
Landline
Global Crossing Local Services, Inc. - KY
-
(443) 305-5
Landline
Onvoy, LLC - MD
2021/02/03
(443) 305-6
Landline
Level 3 Communications, LLC - AK
2008/05/06
(443) 305-8
Landline
Bandwidth.com CLEC, LLC - MD
2010/05/28
(443) 305-9
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
Landline
Xo Maryland, LLC
2001/02/21
(443) 637-0
Landline
Xo Maryland, LLC
-
(443) 637-1
Landline
Level 3 Communications, LLC - AK
2004/12/28
(443) 637-2
Landline
Bandwidth.com CLEC, LLC - MD
2010/11/03
(443) 637-3
Landline
Xo Maryland, LLC
-
(443) 637-4
Landline
Level 3 Communications, LLC - AK
2003/01/27
(443) 637-5
Landline
Xo Maryland, LLC
-
(443) 637-6
Landline
Onvoy, LLC - MD
2012/09/12
(443) 637-7
Landline
Peerless Network of Maryland, LLC
2012/09/17
(443) 637-8
Landline
Peerless Network of Maryland, LLC
2012/09/17
(443) 637-9
Landline
Peerless Network of Maryland, LLC
2012/09/17
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
2001/05/10
(443) 702-0
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 702-2
Landline
Comcast IP Phone, LLC
2014/10/03
(443) 702-3
Landline
Cavalier Telephone Mid-atlantic, LLC - MD
-
(443) 702-4
Landline
Us Lec of Maryland, Inc.
2007/05/17
(443) 702-6
Wireless
New Cingular Wireless PCS, LLC
2014/01/14
(443) 702-7
Landline
Comcast IP Phone, LLC
2008/08/26
(443) 702-9
Landline
Ip Horizon LLC
2021/07/22
Landline
Verizon Maryland, Inc.
-
(443) 770-0
Landline
Verizon Maryland, Inc.
-
(443) 770-1
Landline
Us Lec of Maryland, Inc.
2003/12/16
(443) 770-2
Landline
Bandwidth.com CLEC, LLC - MD
2011/05/04
(443) 770-3
Landline
Bandwidth.com CLEC, LLC - MD
2011/05/04
(443) 770-4
Wireless
New Cingular Wireless PCS, LLC
2013/09/12
(443) 770-5
Landline
Verizon Maryland, Inc.
2005/11/15
(443) 770-6
Landline
Onvoy, LLC - MD
2014/08/07
(443) 770-7
Landline
Centurylink Communications, LLC LA
2014/05/27
(443) 770-8
Landline
Verizon Maryland, Inc.
-
(443) 770-9
Landline
Verizon Maryland, Inc.
-
Landline
Xo Maryland, LLC
-
(443) 781-0
Landline
Core Communications, Inc.- MD
2019/04/12
(443) 781-3
Landline
Comcast IP Phone, LLC
2018/01/08
(443) 781-4
Landline
Bandwidth.com CLEC, LLC - MD
2019/03/21
(443) 781-5
Landline
Onvoy, LLC - MD
2021/02/03
(443) 781-6
Landline
Onvoy, LLC - MD
2021/02/03
(443) 781-7
Landline
Twilio International, Inc.
2020/11/25
(443) 781-8
Landline
Onvoy, LLC - MD
2019/02/06
(443) 781-9
Landline
Onvoy, LLC - MD
2019/02/06
Landline
Teleport Communications America - ID - LLC
-
(443) 784-0
Landline
Local Access LLC - MD
2013/08/12
(443) 784-1
Wireless
New Cingular Wireless PCS, LLC
2014/12/29
(443) 784-2
Wireless
New Cingular Wireless PCS, LLC
2014/04/11
(443) 784-3
Landline
Mcimetro Access Transmission Services LLC
2008/09/11
(443) 784-4
Landline
Teleport Communications America - ID - LLC
2004/10/21
(443) 784-5
Wireless
New Cingular Wireless PCS, LLC
2014/04/11
(443) 784-6
Wireless
New Cingular Wireless PCS, LLC
2014/04/11
(443) 784-7
Wireless
New Cingular Wireless PCS, LLC
2013/04/25
(443) 784-8
Wireless
New Cingular Wireless PCS, LLC
2013/07/12
(443) 784-9
Wireless
New Cingular Wireless PCS, LLC
2014/12/29
Landline
Xo Maryland, LLC
-
(443) 817-0
Landline
Xo Maryland, LLC
-
(443) 817-1
Landline
Xo Maryland, LLC
-
(443) 817-2
Landline
Comcast IP Phone, LLC
2006/11/16
(443) 817-3
Wireless
New Cingular Wireless PCS, LLC
2014/12/29
(443) 817-4
Landline
Xo Maryland, LLC
-
(443) 817-5
Landline
Xo Maryland, LLC
-
(443) 817-6
Landline
Xo Maryland, LLC
-
(443) 817-8
Wireless
New Cingular Wireless PCS, LLC
2014/12/29
(443) 817-9
Landline
Xo Maryland, LLC
-
Landline
Level 3 Communications, LLC - AK
2005/12/30
(443) 818-0
Wireless
New Cingular Wireless PCS, LLC
2014/09/03
(443) 818-1
Wireless
New Cingular Wireless PCS, LLC
2014/06/02
(443) 818-2
Wireless
New Cingular Wireless PCS, LLC
2014/06/02
(443) 818-3
Wireless
New Cingular Wireless PCS, LLC
2014/07/25
(443) 818-4
Wireless
New Cingular Wireless PCS, LLC
2014/07/25
(443) 818-5
Landline
Level 3 Communications, LLC - AK
2006/01/04
(443) 818-6
Landline
Level 3 Communications, LLC - AK
2006/01/04
(443) 818-7
Wireless
New Cingular Wireless PCS, LLC
2014/09/03
(443) 818-8
Wireless
New Cingular Wireless PCS, LLC
2013/10/28
(443) 818-9
Landline
Bandwidth.com CLEC, LLC - MD
2015/01/14
Landline
Onvoy, LLC - MD
2015/08/17
(667) 222-0
Landline
Onvoy, LLC - MD
2015/08/18
(667) 222-1
Landline
Onvoy, LLC - MD
2015/08/18
(667) 222-2
Landline
Onvoy, LLC - MD
2015/08/18
(667) 222-3
Landline
Onvoy, LLC - MD
2015/12/22
(667) 222-4
Landline
Voxbeam Telecommunications Inc. - DC
2016/04/01
(667) 222-5
Landline
Onvoy, LLC - MD
2016/02/22
(667) 222-6
Landline
Onvoy, LLC - MD
2019/04/18
(667) 222-7
Landline
Core Communications, Inc.- MD
2019/05/16
(667) 222-8
Landline
Telnyx LLC
2017/04/13
(667) 222-9
Landline
Core Communications, Inc.- MD
2019/05/16
Landline
Baltimore-washington Telephone (Bwt)
2015/05/14
(667) 333-2
Landline
Terra Nova Telecom Inc.
2020/12/30
(667) 333-3
Landline
Baltimore-washington Telephone (Bwt)
2015/05/18
(667) 333-4
Landline
Radiantiq LLC
2021/03/23
(667) 333-6
Landline
Core Communications, Inc.- MD
2019/05/16
(667) 333-7
Landline
Core Communications, Inc.- MD
2019/05/16
(667) 333-8
Wireless
Onvoy Spectrum, LLC
2021/04/23
(667) 333-9
Landline
Local Access LLC - MD
2016/05/03