(410) 221
Landline
Verizon Maryland, Inc.
-
(410) 228
Landline
Verizon Maryland, Inc.
-
Wireless
New Cingular Wireless PCS, LLC
-
(410) 330-0
Wireless
New Cingular Wireless PCS, LLC
-
(410) 330-1
Wireless
New Cingular Wireless PCS, LLC
-
(410) 330-2
Wireless
New Cingular Wireless PCS, LLC
-
(410) 330-3
Wireless
New Cingular Wireless PCS, LLC
-
(410) 330-4
Wireless
New Cingular Wireless PCS, LLC
-
(410) 330-5
Wireless
New Cingular Wireless PCS, LLC
-
(410) 330-6
Wireless
New Cingular Wireless PCS, LLC
-
(410) 330-7
Wireless
Sprint Spectrum, L.P.
2003/01/08
(410) 330-8
Wireless
Sprint Spectrum, L.P.
2002/11/26
(410) 330-9
Wireless
New Cingular Wireless PCS, LLC
-
Landline
Verizon Maryland, Inc.
-
(410) 901-0
Landline
Verizon Maryland, Inc.
-
(410) 901-1
Landline
Verizon Maryland, Inc.
-
(410) 901-2
Landline
Verizon Maryland, Inc.
-
(410) 901-3
Landline
Comcast IP Phone, LLC
2015/07/16
(410) 901-4
Landline
Verizon Maryland, Inc.
-
(410) 901-5
Landline
Verizon Maryland, Inc.
-
(410) 901-6
Landline
Verizon Maryland, Inc.
-
(410) 901-7
Wireless
Sprint Spectrum, L.P.
2005/02/07
(410) 901-8
Landline
Verizon Maryland, Inc.
-
(410) 901-9
Landline
Verizon Maryland, Inc.
-
Wireless
Sprint Spectrum, L.P.
2004/01/20
(443) 205-0
Wireless
Cellco Partnership DBA Verizon Wireless
2004/05/07
(443) 205-1
Landline
Level 3 Communications, LLC - AK
2013/08/23
(443) 205-2
Wireless
Cellco Partnership DBA Verizon Wireless
2006/07/06
(443) 205-3
Wireless
Cellco Partnership DBA Verizon Wireless
2005/07/11
(443) 205-4
Landline
Level 3 Communications, LLC - AK
2004/07/06
(443) 205-5
Wireless
Cellco Partnership DBA Verizon Wireless
2004/03/01
(443) 205-6
Wireless
Sprint Spectrum, L.P.
2004/01/21
(443) 205-7
Wireless
Sprint Spectrum, L.P.
2004/01/21
(443) 205-8
Wireless
Sprint Spectrum, L.P.
2004/10/21
(443) 205-9
Wireless
Cellco Partnership DBA Verizon Wireless
2007/04/04
Wireless
Sprint Spectrum, L.P.
2004/01/20
(443) 225-0
Wireless
Cellco Partnership DBA Verizon Wireless
2020/08/30
(443) 225-1
Wireless
Sprint Spectrum, L.P.
2005/02/03
(443) 225-2
Wireless
Sprint Spectrum, L.P.
2010/07/08
(443) 225-3
Wireless
Sprint Spectrum, L.P.
2010/07/08
(443) 225-4
Landline
Level 3 Communications, LLC - AK
2007/11/20
(443) 225-5
Landline
Comcast IP Phone, LLC
2006/06/20
(443) 225-6
Landline
Comcast IP Phone, LLC
2007/09/10
(443) 225-7
Landline
Mcimetro Access Transmission Services LLC
2008/12/09
(443) 225-8
Wireless
Sprint Spectrum, L.P.
2006/08/14
(443) 225-9
Wireless
Sprint Spectrum, L.P.
2004/02/18
(443) 382
Landline
Core Communications, Inc.- MD
-
Wireless
Cellco Partnership DBA Verizon Wireless
2007/01/13
(443) 477-0
Wireless
Cellco Partnership DBA Verizon Wireless
2007/01/19
(443) 477-1
Wireless
Cellco Partnership DBA Verizon Wireless
2007/09/05
(443) 477-2
Wireless
Cellco Partnership DBA Verizon Wireless
2007/12/27
(443) 477-3
Wireless
Cellco Partnership DBA Verizon Wireless
2008/02/05
(443) 477-4
Wireless
Cellco Partnership DBA Verizon Wireless
2008/07/03
(443) 477-5
Wireless
Cellco Partnership DBA Verizon Wireless
2017/11/15
(443) 477-6
Landline
Comcast IP Phone, LLC
2009/03/09
(443) 477-7
Wireless
Cellco Partnership DBA Verizon Wireless
2007/07/03
(443) 477-8
Wireless
New Cingular Wireless PCS, LLC
2011/08/11
(443) 477-9
Wireless
Omnipoint Communications Cap Operations, LLC
2014/01/29
Wireless
Cellco Partnership DBA Verizon Wireless
2009/06/08
(443) 515-0
Wireless
Cellco Partnership DBA Verizon Wireless
2009/06/11
(443) 515-1
Wireless
Omnipoint Communications Cap Operations, LLC
2010/07/22
(443) 515-2
Wireless
Sprint Spectrum, L.P.
2011/08/15
(443) 515-3
Wireless
Sprint Spectrum, L.P.
2011/08/15
(443) 515-4
Wireless
Cellco Partnership DBA Verizon Wireless
2021/03/29
(443) 515-5
Landline
Cavalier Telephone, LLC (Mid-atlantic) - DE
2010/06/01
(443) 515-6
Landline
Teleport Communications America - ID - LLC
2012/06/20
(443) 515-7
Wireless
Omnipoint Communications Cap Operations, LLC
2015/03/17
(443) 515-8
Wireless
Omnipoint Communications Cap Operations, LLC
2015/03/17
(443) 515-9
Wireless
Omnipoint Communications Cap Operations, LLC
2014/10/10
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-0
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-1
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-2
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-3
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-4
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-5
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-6
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-7
Wireless
Cellco Partnership DBA Verizon Wireless
-
(443) 521-8
Wireless
Sprint Spectrum, L.P.
2002/11/26
(443) 521-9
Wireless
Cellco Partnership DBA Verizon Wireless
-
Landline
Us Lec of Maryland, Inc.
2011/11/21
(443) 972-0
Wireless
Omnipoint Communications Cap Operations, LLC
2016/03/31
(443) 972-1
Wireless
Omnipoint Communications Cap Operations, LLC
2016/03/31
(443) 972-2
Landline
Core Communications, Inc.- MD
2019/07/15
(443) 972-3
Landline
Level 3 Communications, LLC - AK
2020/03/24
(443) 972-4
Landline
Us Lec of Maryland, Inc.
2012/06/29
(443) 972-5
Landline
Onvoy, LLC - MD
2017/03/20
(443) 972-6
Landline
Core Communications, Inc.- MD
2019/07/15
(443) 972-7
Landline
Idt America, Corp. - MD
2017/12/15
(443) 972-8
Landline
Comcast IP Phone, LLC
2021/02/12
(443) 972-9
Landline
Telnyx LLC
2017/08/31
Landline
Radiantiq LLC
2021/03/18
(667) 327-0
Landline
Onvoy, LLC - MD
2021/03/31
(667) 327-1
Landline
Onvoy, LLC - MD
2021/03/31
(667) 327-2
Wireless
T-mobile USA, Inc.
2021/04/16
(667) 327-3
Wireless
Onvoy Spectrum, LLC
2021/04/29
(667) 327-4
Landline
Onvoy, LLC - MD
2021/04/21
(667) 327-5
Landline
Onvoy, LLC - MD
2021/04/21
(667) 327-6
Landline
Radiantiq LLC
2021/03/22
(667) 327-7
Landline
Onvoy, LLC - MD
2021/04/21
(667) 327-8
Landline
Onvoy, LLC - MD
2021/04/21
Landline
Mcimetro Access Transmission Services LLC
2021/07/28
(667) 343-0
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-1
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-2
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-3
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-4
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-5
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-6
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-7
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-8
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
(667) 343-9
Landline
Mcimetro Access Transmission Services LLC
2021/07/29
Landline
Core Communications, Inc.- MD
2018/10/15
(667) 372-0
Landline
Core Communications, Inc.- MD
2018/10/17
(667) 372-1
Landline
Core Communications, Inc.- MD
2018/10/17
(667) 372-2
Landline
Core Communications, Inc.- MD
2018/10/17
(667) 372-3
Landline
Core Communications, Inc.- MD
2018/10/17
(667) 372-4
Landline
Onvoy, LLC - MD
2019/02/06
(667) 372-5
Landline
Onvoy, LLC - MD
2019/02/06
(667) 372-6
Landline
Core Communications, Inc.- MD
2018/10/17
(667) 372-7
Landline
Core Communications, Inc.- MD
2019/03/14
(667) 372-8
Wireless
Cellco Partnership DBA Verizon Wireless
2018/12/31
(667) 372-9
Wireless
Omnipoint Communications Cap Operations, LLC
2020/03/23