Cardiff, Maryland Area Codes

Map of Cardiff

Local time – 1 timezone

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Atlantic timezone

Prefixes – 6 codes

Prefix
Type
Location
Carrier
Assigned
Landline
Verizon Maryland, Inc.
-
(410) 452-0
Landline
Verizon Maryland, Inc.
-
(410) 452-1
Landline
Atx Telecommunications Services, Ltd
2003/02/03
(410) 452-2
Landline
Baltimore-washington Telephone (Bwt)
2015/05/12
(410) 452-3
Landline
Onvoy, LLC - MD
2016/03/09
(410) 452-4
Landline
Quantum Telecommunications, Inc. - MD
2003/10/22
(410) 452-5
Landline
Verizon Maryland, Inc.
-
(410) 452-6
Landline
Onvoy, LLC - MD
2016/03/09
(410) 452-7
Landline
Level 3 Communications, LLC - AK
2005/12/05
(410) 452-8
Landline
Verizon Maryland, Inc.
-
(410) 452-9
Landline
Verizon Maryland, Inc.
-
(443) 236
Landline
Core Communications, Inc.- MD
-
Landline
Ctc Communications Corp. - MD
-
(443) 347-0
Landline
Onvoy, LLC - MD
2016/03/16
(443) 347-1
Landline
Ctc Communications Corp. - MD
-
(443) 347-2
Landline
Bandwidth.com CLEC, LLC - MD
2019/02/06
(443) 347-3
Landline
Bandwidth.com CLEC, LLC - MD
2015/06/08
(443) 347-4
Landline
Bandwidth.com CLEC, LLC - MD
2017/10/10
(443) 347-5
Landline
Onvoy, LLC - MD
2016/02/16
(443) 347-6
Landline
Onvoy, LLC - MD
2016/02/16
(443) 347-7
Landline
Centurylink Communications, LLC LA
2014/05/14
(443) 347-8
Landline
Telnyx LLC
2017/04/14
(443) 347-9
Landline
Bandwidth.com CLEC, LLC - MD
2019/02/06
Landline
Teleport Communications America - ID - LLC
-
(443) 424-0
Landline
Armstrong Telecommunications, Inc. - KY
2008/08/11
(443) 424-1
Landline
Us Lec of Maryland, Inc.
2004/01/13
(443) 424-2
Landline
Bandwidth.com CLEC, LLC - MD
2008/11/12
(443) 424-3
Landline
Bandwidth.com CLEC, LLC - MD
2011/07/18
(443) 424-4
Landline
Bandwidth.com CLEC, LLC - MD
2019/02/06
(443) 424-5
Landline
Bandwidth.com CLEC, LLC - MD
2011/01/31
(443) 424-6
Landline
Onvoy, LLC - MD
2012/09/12
(443) 424-7
Landline
Bandwidth.com CLEC, LLC - MD
2011/05/04
(443) 424-8
Landline
Bandwidth.com CLEC, LLC - MD
2010/01/26
(443) 424-9
Landline
Teleport Communications America - ID - LLC
-
Landline
Level 3 Communications, LLC - AK
-
(443) 483-1
Landline
Peerless Network of Maryland, LLC
2013/04/04
(443) 483-2
Landline
Peerless Network of Maryland, LLC
2013/04/04
(443) 483-3
Landline
Bandwidth.com CLEC, LLC - MD
2019/02/06
(443) 483-4
Landline
Level 3 Communications, LLC - AK
2004/01/16
(443) 483-6
Landline
Bandwidth.com CLEC, LLC - MD
2019/02/06
(443) 483-7
Landline
Bandwidth.com CLEC, LLC - MD
2019/02/06
(443) 483-8
Landline
Terra Nova Telecom Inc.
2020/12/30
Unknown
Coretel Maryland, Inc. - MD
2019/09/12
(667) 353-0
Landline
Peerless Network of Maryland, LLC
2020/09/30
(667) 353-1
Wireless
T-mobile USA, Inc.
2021/05/04
(667) 353-2
Wireless
Onvoy Spectrum, LLC
2021/04/23
(667) 353-3
Landline
Twilio International, Inc.
2020/11/25
(667) 353-4
Landline
Onvoy, LLC - MD
2021/02/03
(667) 353-5
Landline
Onvoy, LLC - MD
2021/02/03
(667) 353-6
Landline
Radiantiq LLC
2021/03/23
(667) 353-9
Unknown
Coretel Maryland, Inc. - MD
2019/09/16