Mill Valley, California Area Codes

Map of Mill Valley

Local time – 1 timezone

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Mountain timezone

Prefixes – 22 codes

Prefix
Type
Location
Carrier
Assigned
Landline
O1 Communications, Inc. - CA
2001/05/18
(415) 322-0
Landline
Bandwidth.com CLEC, LLC - CA
2010/08/02
(415) 322-1
Landline
O1 Communications, Inc. - CA
-
(415) 322-2
Landline
O1 Communications, Inc. - CA
-
(415) 322-3
Landline
Bandwidth.com CLEC, LLC - CA
2010/08/10
(415) 322-4
Landline
O1 Communications, Inc. - CA
-
(415) 322-5
Landline
Onvoy, LLC - CA
2005/02/17
(415) 322-6
Landline
Xo California, Inc.
2007/03/20
(415) 322-7
Landline
Onvoy, LLC - CA
2009/11/20
(415) 322-8
Landline
Bandwidth.com CLEC, LLC - CA
2010/01/28
(415) 322-9
Landline
Bandwidth.com CLEC, LLC - CA
2010/01/28
Landline
O1 Communications, Inc. - CA
-
(415) 326-0
Landline
Onvoy, LLC - CA
2012/12/12
(415) 326-1
Landline
Onvoy, LLC - CA
2007/07/03
(415) 326-2
Landline
Pacific Centrex Services, Inc. - CA
2006/11/01
(415) 326-3
Landline
Bandwidth.com CLEC, LLC - CA
2011/01/20
(415) 326-4
Landline
Bandwidth.com CLEC, LLC - CA
2011/04/12
(415) 326-5
Landline
AT&T Corp.
2006/04/11
(415) 326-6
Landline
Bandwidth.com CLEC, LLC - CA
2011/04/12
(415) 326-7
Landline
Bandwidth.com CLEC, LLC - CA
2011/04/12
(415) 326-8
Landline
Bandwidth.com CLEC, LLC - CA
2011/08/02
(415) 326-9
Landline
Onvoy, LLC - CA
2012/12/12
Landline
Mcimetro Access Transmission Services LLC
-
(415) 360-0
Landline
Onvoy, LLC - CA
2015/07/15
(415) 360-1
Landline
Onvoy, LLC - CA
2015/07/15
(415) 360-2
Landline
Level 3 Communications, LLC - AK
2012/07/09
(415) 360-3
Landline
Onvoy, LLC - CA
2012/12/18
(415) 360-4
Wireless
New Cingular Wireless PCS, LLC
2015/08/11
(415) 360-5
Landline
Xo California, Inc.
2007/03/20
(415) 360-6
Landline
Onvoy, LLC - CA
2016/01/25
(415) 360-7
Landline
Onvoy, LLC - CA
2016/01/25
(415) 360-8
Landline
Onvoy, LLC - CA
2014/10/29
(415) 360-9
Landline
Mcimetro Access Transmission Services LLC
-
(415) 380
Landline
Pacific Bell
-
(415) 381
Landline
Pacific Bell
-
(415) 383
Landline
Pacific Bell
-
Landline
Pacific Bell
-
(415) 384-0
Landline
Pacific Bell
-
(415) 384-1
Wireless
New Cingular Wireless PCS, LLC
2016/01/07
(415) 384-2
Landline
Pacific Bell
-
(415) 384-3
Landline
Us Telepacific Corp. - CA
2000/09/05
(415) 384-4
Landline
Us Telepacific Corp. - CA
2000/09/05
(415) 384-5
Landline
Onvoy, LLC - CA
2015/12/21
(415) 384-6
Landline
Peerless Network of California, LLC - CA
2010/03/08
(415) 384-7
Landline
Utility Telecom Group, LLC - CA
2006/06/09
(415) 384-8
Landline
Comcast IP Phone, LLC
2011/08/18
(415) 384-9
Landline
Bandwidth.com CLEC, LLC - CA
2014/02/25
(415) 388
Landline
Pacific Bell
-
(415) 389
Landline
Pacific Bell
-
Landline
Us Telepacific Corp. - CA
-
(415) 569-0
Landline
Bandwidth.com CLEC, LLC - CA
2014/02/25
(415) 569-1
Landline
Onvoy, LLC - CA
2016/02/16
(415) 569-2
Landline
Bandwidth.com CLEC, LLC - CA
2012/11/13
(415) 569-3
Landline
Bandwidth.com CLEC, LLC - CA
2012/11/13
(415) 569-4
Landline
Comcast IP Phone, LLC
2013/09/19
(415) 569-5
Unknown
Sonic Telecom, LLC - CA
2012/11/28
(415) 569-6
Landline
Onvoy, LLC - CA
2016/06/21
(415) 569-7
Landline
Bandwidth.com CLEC, LLC - CA
2014/02/25
(415) 569-8
Landline
Onvoy, LLC - CA
2013/02/28
(415) 569-9
Landline
Us Telepacific Corp. - CA
-
Landline
Onvoy, LLC - CA
-
(415) 634-0
Landline
Onvoy, LLC - CA
-
(415) 634-1
Landline
Onvoy, LLC - CA
-
(415) 634-2
Landline
Onvoy, LLC - CA
-
(415) 634-3
Landline
Onvoy, LLC - CA
-
(415) 634-4
Landline
Onvoy, LLC - CA
2005/11/11
(415) 634-5
Landline
Bandwidth.com CLEC, LLC - CA
2014/02/25
(415) 634-6
Landline
Onvoy, LLC - CA
-
(415) 634-7
Landline
Bandwidth.com CLEC, LLC - CA
2014/10/27
(415) 634-8
Wireless
New Cingular Wireless PCS, LLC
2014/08/12
(415) 634-9
Landline
Bandwidth.com CLEC, LLC - CA
2014/10/27
Landline
Allegiance Telecom, Inc. - CA
-
(415) 843-0
Landline
Allegiance Telecom, Inc. - CA
-
(415) 843-1
Landline
Bandwidth.com CLEC, LLC - CA
2008/10/21
(415) 843-2
Landline
Onvoy, LLC - CA
2016/02/16
(415) 843-3
Landline
Terra Nova Telecom Inc.
2021/04/07
(415) 843-4
Landline
Onvoy, LLC - CA
2016/02/16
(415) 843-5
Landline
Onvoy, LLC - CA
2005/03/16
(415) 843-6
Landline
Onvoy, LLC - CA
2016/03/07
(415) 843-7
Landline
Onvoy, LLC - CA
2016/03/07
(415) 843-8
Landline
Onvoy, LLC - CA
2014/09/12
(415) 843-9
Wireless
T-mobile USA, Inc.
2020/04/15
Wireless
Sprint Spectrum, L.P.
2001/10/18
(415) 877-0
Wireless
Sprint Spectrum, L.P.
-
(415) 877-1
Landline
Level 3 Communications, LLC - AK
2004/12/29
(415) 877-2
Landline
Centurylink Communications, LLC LA
2014/02/28
(415) 877-3
Landline
Peerless Network of California, LLC - CA
2013/03/06
(415) 877-4
Landline
Level 3 Communications, LLC - AK
2003/08/05
(415) 877-5
Landline
Onvoy, LLC - CA
2014/09/12
(415) 877-6
Landline
Onvoy, LLC - CA
2016/03/07
(415) 877-7
Landline
Onvoy, LLC - CA
2012/04/03
(415) 877-8
Landline
Onvoy, LLC - CA
2016/04/05
(415) 877-9
Landline
Onvoy, LLC - CA
2014/10/29
Wireless
T-mobile USA, Inc.
2001/09/21
(415) 879-0
Wireless
T-mobile USA, Inc.
-
(415) 879-1
Wireless
T-mobile USA, Inc.
-
(415) 879-2
Wireless
T-mobile USA, Inc.
-
(415) 879-3
Wireless
T-mobile USA, Inc.
-
(415) 879-4
Wireless
T-mobile USA, Inc.
-
(415) 879-5
Wireless
T-mobile USA, Inc.
2009/10/07
(415) 879-6
Wireless
T-mobile USA, Inc.
2010/08/06
(415) 879-7
Wireless
T-mobile USA, Inc.
2011/01/27
(415) 879-8
Landline
Bandwidth.com CLEC, LLC - CA
2014/07/24
(415) 879-9
Landline
Bandwidth.com CLEC, LLC - CA
2014/07/24
Landline
Comcast IP Phone, LLC
-
(415) 888-0
Landline
Onvoy, LLC - CA
2012/09/13
(415) 888-1
Landline
Onvoy, LLC - CA
2010/11/03
(415) 888-2
Landline
Comcast IP Phone, LLC
-
(415) 888-3
Landline
Comcast IP Phone, LLC
-
(415) 888-4
Landline
Onvoy, LLC - CA
2010/11/18
(415) 888-5
Landline
Onvoy, LLC - CA
2010/11/18
(415) 888-6
Landline
Teleport Communications America - ID - LLC
2010/04/13
(415) 888-7
Landline
Onvoy, LLC - CA
2010/11/18
(415) 888-8
Landline
Comcast IP Phone, LLC
2007/04/05
(415) 888-9
Landline
Onvoy, LLC - CA
2015/11/24
Landline
Level 3 Communications, LLC - AK
2005/12/28
(415) 968-0
Landline
Bandwidth.com CLEC, LLC - CA
2014/07/24
(415) 968-1
Landline
Bandwidth.com CLEC, LLC - CA
2014/07/24
(415) 968-2
Landline
Level 3 Communications, LLC - AK
2011/05/04
(415) 968-3
Landline
Mcimetro Access Transmission Services LLC
2008/06/23
(415) 968-4
Landline
Level 3 Communications, LLC - AK
2013/10/11
(415) 968-5
Landline
Level 3 Communications, LLC - AK
2005/12/28
(415) 968-6
Landline
Level 3 Communications, LLC - AK
2005/12/28
(415) 968-7
Landline
Onvoy, LLC - CA
2013/08/22
(415) 968-8
Landline
Bandwidth.com CLEC, LLC - CA
2014/10/27
(415) 968-9
Landline
Bandwidth.com CLEC, LLC - CA
2009/08/19
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/20
(628) 215-0
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/20
(628) 215-1
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/20
(628) 215-2
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/20
(628) 215-3
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/20
(628) 215-4
Landline
Onvoy, LLC - CA
2016/09/30
(628) 215-5
Landline
Onvoy, LLC - CA
2016/10/05
(628) 215-6
Landline
Onvoy, LLC - CA
2016/10/05
(628) 215-7
Landline
Onvoy, LLC - CA
2016/10/05
(628) 215-8
Landline
Onvoy, LLC - CA
2016/10/05
(628) 215-9
Landline
Peerless Network of California, LLC - CA
2016/09/22
Landline
Onvoy, LLC - CA
2016/07/14
(628) 245-0
Landline
Onvoy, LLC - CA
2016/07/14
(628) 245-1
Landline
Onvoy, LLC - CA
2016/08/03
(628) 245-2
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/14
(628) 245-3
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/14
(628) 245-4
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/14
(628) 245-5
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/14
(628) 245-6
Wireless
New Cingular Wireless PCS, LLC
2016/09/01
(628) 245-7
Landline
Bandwidth.com CLEC, LLC - CA
2016/09/14
(628) 245-8
Landline
Local Access Services LLC - CA
2016/08/15
(628) 245-9
Landline
Peerless Network of California, LLC - CA
2016/08/26
Landline
Race Telecommunications, Inc. - CA
2016/10/28
(628) 257-0
Landline
Race Telecommunications, Inc. - CA
2016/10/28
(628) 257-1
Landline
Onvoy, LLC - CA
2017/04/19
(628) 257-2
Landline
Onvoy, LLC - CA
2017/04/19
(628) 257-3
Landline
Telnyx LLC
2017/05/23
(628) 257-4
Wireless
New Cingular Wireless PCS, LLC
2017/06/07
(628) 257-5
Landline
Integrated Path Communications, LLC - CA
2018/07/03
(628) 257-6
Landline
Onvoy, LLC - CA
2018/08/29
(628) 257-7
Landline
Onvoy, LLC - CA
2018/11/29
(628) 257-8
Landline
Onvoy, LLC - CA
2018/08/29
(628) 257-9
Landline
Onvoy, LLC - CA
2018/11/29
Landline
Fractel, LLC
2019/03/19
(628) 288-0
Wireless
T-mobile USA, Inc.
2020/07/02
(628) 288-1
Wireless
T-mobile USA, Inc.
2020/07/02
(628) 288-2
Landline
Onvoy, LLC - CA
2019/07/01
(628) 288-3
Landline
Onvoy, LLC - CA
2020/07/31
(628) 288-4
Landline
Onvoy, LLC - CA
2020/07/31
(628) 288-5
Landline
Twilio International, Inc.
2020/08/07
(628) 288-6
Landline
Fractel, LLC
2019/06/19
(628) 288-7
Landline
Onvoy, LLC - CA
2021/02/03
(628) 288-8
Landline
Fractel, LLC
2019/03/19
(628) 288-9
Wireless
New Cingular Wireless PCS, LLC
2019/08/14
Landline
Fractel, LLC
2021/02/08
(628) 477-0
Landline
Ip Horizon LLC
2021/04/07
(628) 477-1
Landline
Onvoy, LLC - CA
2021/07/14
(628) 477-2
Landline
Onvoy, LLC - CA
2021/07/14
(628) 477-3
Landline
Onvoy, LLC - CA
2021/07/14
(628) 477-4
Landline
Onvoy, LLC - CA
2021/07/14
(628) 477-5
Landline
Paetec Communications, Inc. - CA
2021/07/06
(628) 477-7
Landline
Fractel, LLC
2021/02/11
Landline
Fractel, LLC
2021/07/15
(628) 677-7
Landline
Fractel, LLC
2021/07/15