(240) 212
Landline
Core Communications, Inc.- MD
-
Landline
Onvoy, LLC - MD
2020/07/16
(240) 226-0
Wireless
New Cingular Wireless PCS, LLC
2020/08/25
(240) 226-1
Landline
Onvoy, LLC - MD
2020/07/20
(240) 226-2
Landline
Onvoy, LLC - MD
2020/07/20
(240) 226-3
Landline
Peerless Network of Maryland, LLC
2020/09/30
(240) 226-4
Landline
Radiantiq LLC
2021/03/11
(240) 226-5
Landline
Onvoy, LLC - MD
2021/03/03
(240) 226-6
Landline
Onvoy, LLC - MD
2021/03/03
(240) 226-7
Landline
Onvoy, LLC - MD
2021/06/14
(240) 226-8
Wireless
Onvoy Spectrum, LLC
2021/04/27
(240) 226-9
Landline
Peerless Network of Maryland, LLC
2021/01/28
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-0
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-1
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-2
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-3
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-4
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-5
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-6
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-7
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(240) 321-8
Wireless
New Cingular Wireless PCS, LLC
2008/10/27
(240) 321-9
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/05
Landline
Verizon Maryland, Inc.
2001/05/22
(240) 442-0
Landline
Verizon Maryland, Inc.
-
(240) 442-1
Landline
Level 3 Communications, LLC - AK
2008/01/22
(240) 442-2
Landline
Bandwidth.com CLEC, LLC - MD
2010/05/28
(240) 442-3
Landline
Ymax Communications Corp. - MD
2009/03/04
(240) 442-4
Landline
Core Communications, Inc.- MD
2019/04/16
(240) 442-5
Landline
Comcast IP Phone, LLC
2007/10/10
(240) 442-6
Landline
Ymax Communications Corp. - MD
2009/03/04
(240) 442-7
Wireless
New Cingular Wireless PCS, LLC
2011/05/13
(240) 442-8
Landline
Bandwidth.com CLEC, LLC - MD
2015/04/24
(240) 442-9
Landline
Onvoy, LLC - MD
2020/05/05
Unknown
Shentel Communications, LLC. - MD
2012/05/16
(240) 488-0
Landline
Bandwidth.com CLEC, LLC - MD
2018/07/25
(240) 488-1
Unknown
Shentel Communications, LLC. - MD
2012/05/18
(240) 488-2
Landline
Peerless Network of Maryland, LLC
2018/02/16
(240) 488-3
Landline
Onvoy, LLC - MD
2016/08/31
(240) 488-4
Landline
Comcast IP Phone, LLC
2015/05/12
(240) 488-5
Landline
Onvoy, LLC - MD
2016/08/31
(240) 488-6
Landline
Bandwidth.com CLEC, LLC - MD
2018/09/19
(240) 488-7
Landline
Centurylink Communications LLC
2016/09/26
(240) 488-8
Landline
Telnyx LLC
2017/07/27
(240) 488-9
Landline
Core Communications, Inc.- MD
2019/04/16
Landline
Bandwidth.com CLEC, LLC - MD
2021/07/20
(240) 785-0
Landline
Bandwidth.com CLEC, LLC - MD
2021/07/20
(301) 334
Landline
Verizon Maryland, Inc.
-
Landline
Verizon Maryland, Inc.
-
(301) 387-0
Landline
Verizon Maryland, Inc.
-
(301) 387-1
Wireless
New Cingular Wireless PCS, LLC
2020/08/25
(301) 387-2
Landline
Verizon Maryland, Inc.
-
(301) 387-3
Landline
Verizon Maryland, Inc.
-
(301) 387-4
Landline
Verizon Maryland, Inc.
-
(301) 387-5
Landline
Verizon Maryland, Inc.
-
(301) 387-6
Landline
Verizon Maryland, Inc.
-
(301) 387-7
Landline
Verizon Maryland, Inc.
-
(301) 387-8
Landline
Verizon Maryland, Inc.
-
(301) 387-9
Landline
Verizon Maryland, Inc.
-
Wireless
New Cingular Wireless PCS, LLC
-
(301) 501-0
Wireless
New Cingular Wireless PCS, LLC
-
(301) 501-1
Wireless
New Cingular Wireless PCS, LLC
-
(301) 501-2
Wireless
New Cingular Wireless PCS, LLC
-
(301) 501-3
Wireless
New Cingular Wireless PCS, LLC
2014/10/27
(301) 501-4
Landline
Core Communications, Inc.- MD
2019/07/15
(301) 501-5
Landline
Mcimetro Access Transmission Services LLC
2009/08/24
(301) 501-6
Wireless
New Cingular Wireless PCS, LLC
-
(301) 501-7
Wireless
New Cingular Wireless PCS, LLC
2007/10/15
(301) 501-8
Wireless
New Cingular Wireless PCS, LLC
2014/03/10
(301) 501-9
Landline
Core Communications, Inc.- MD
2019/07/15
Landline
Verizon Maryland, Inc.
-
(301) 533-0
Landline
Verizon Maryland, Inc.
-
(301) 533-1
Landline
Verizon Maryland, Inc.
-
(301) 533-2
Landline
Verizon Maryland, Inc.
-
(301) 533-3
Landline
Verizon Maryland, Inc.
-
(301) 533-4
Landline
Verizon Maryland, Inc.
-
(301) 533-5
Landline
Core Communications, Inc.- MD
2019/04/16
(301) 533-6
Wireless
New Cingular Wireless PCS, LLC
2008/01/08
(301) 533-7
Landline
Level 3 Communications, LLC - AK
2008/02/01
(301) 533-8
Landline
Ymax Communications Corp. - MD
2009/03/04
(301) 533-9
Landline
Fibernet, LLC - WV
2004/01/23
(301) 616
Wireless
Uscoc of Cumberland, Inc. DBA United States Cel MD
-
(301) 849
Landline
New Frontiers Telecommunications, Inc.
-
Landline
Level 3 Communications, LLC - AK
2002/01/09
(301) 859-0
Landline
Bandwidth.com CLEC, LLC - MD
2004/10/13
(301) 859-1
Landline
Core Communications, Inc.- MD
2019/04/16
(301) 859-2
Landline
Teleport Communications America - ID - LLC
2019/03/25
(301) 859-3
Landline
Level 3 Communications, LLC - AK
2002/01/17
(301) 859-4
Landline
Level 3 Communications, LLC - AK
2004/04/28
(301) 859-5
Wireless
Sprint Spectrum, LP - MD
2018/12/05
(301) 859-6
Landline
Onvoy, LLC - MD
2019/12/10
(301) 859-7
Landline
Onvoy, LLC - MD
2019/12/10
(301) 859-8
Wireless
New Cingular Wireless PCS, LLC
2009/10/19
(301) 859-9
Landline
Core Communications, Inc.- MD
2019/04/16
Unknown
Mountain Communications, LLC DBA Procom - MD
2012/12/27
(301) 914-0
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 914-1
Unknown
Mountain Communications, LLC DBA Procom - MD
2013/01/03
(301) 914-2
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 914-3
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 914-4
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 914-5
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 914-6
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 914-7
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 914-8
Landline
Core Communications, Inc.- MD
2018/10/10
(301) 914-9
Landline
Core Communications, Inc.- MD
2018/10/10