St. Helena, California Area Codes

Map of St. Helena

Local time – 1 timezone

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Mountain timezone

Prefixes – 11 codes

Prefix
Type
Location
Carrier
Assigned
Landline
Teleport Communications America - ID - LLC
2001/06/26
(707) 200-0
Landline
Teleport Communications America - ID - LLC
-
(707) 200-1
Landline
Bandwidth.com CLEC, LLC - CA
2010/02/01
(707) 200-2
Landline
Level 3 Communications, LLC - AK
2008/02/01
(707) 200-3
Landline
Bandwidth.com CLEC, LLC - CA
2010/08/24
(707) 200-4
Landline
Level 3 Communications, LLC - AK
2005/07/06
(707) 200-5
Wireless
New Cingular Wireless PCS, LLC
2018/08/16
(707) 200-6
Landline
Level 3 Communications, LLC - AK
2011/01/11
(707) 200-7
Landline
Bandwidth.com CLEC, LLC - CA
2011/05/27
(707) 200-8
Landline
Bandwidth.com CLEC, LLC - CA
2012/01/25
(707) 200-9
Landline
Teleport Communications America - ID - LLC
-
Landline
Mcimetro Access Transmission Services LLC
-
(707) 244-0
Landline
Peerless Network of California, LLC - CA
2016/08/30
(707) 244-1
Landline
Bandwidth.com CLEC, LLC - CA
2012/05/22
(707) 244-2
Unknown
Sonic Telecom, LLC - CA
2012/11/28
(707) 244-3
Landline
Mcimetro Access Transmission Services LLC
2003/09/10
(707) 244-4
Landline
Xo California, Inc.
2004/12/02
(707) 244-5
Landline
AT&T Corp.
2011/05/04
(707) 244-6
Landline
Onvoy, LLC - CA
2012/12/04
(707) 244-7
Landline
Onvoy, LLC - CA
2012/12/04
(707) 244-8
Landline
Onvoy, LLC - CA
2012/12/04
(707) 244-9
Landline
Bandwidth.com CLEC, LLC - CA
2013/12/12
Landline
Onvoy, LLC - CA
-
(707) 286-0
Landline
Onvoy, LLC - CA
-
(707) 286-1
Landline
Onvoy, LLC - CA
-
(707) 286-2
Landline
Onvoy, LLC - CA
-
(707) 286-3
Landline
Utility Telecom Group, LLC - CA
-
(707) 286-4
Landline
Onvoy, LLC - CA
-
(707) 286-5
Landline
Onvoy, LLC - CA
-
(707) 286-6
Landline
Onvoy, LLC - CA
2005/10/07
(707) 286-7
Landline
Onvoy, LLC - CA
-
(707) 286-8
Landline
Level 3 Communications, LLC - AK
-
(707) 286-9
Wireless
New Cingular Wireless PCS, LLC
2017/11/28
Landline
Us Telepacific Corp. - CA
2001/12/27
(707) 302-0
Landline
Bandwidth.com CLEC, LLC - CA
2014/04/23
(707) 302-1
Landline
Us Telepacific Corp. - CA
-
(707) 302-2
Landline
Us Telepacific Corp. - CA
-
(707) 302-3
Landline
Us Telepacific Corp. - CA
-
(707) 302-4
Wireless
New Cingular Wireless PCS, LLC
2018/12/03
(707) 302-5
Landline
Comcast IP Phone, LLC
2013/11/06
(707) 302-6
Landline
Bandwidth.com CLEC, LLC - CA
2014/06/10
(707) 302-7
Landline
Us Telepacific Corp. - CA
-
(707) 302-8
Landline
Bandwidth.com CLEC, LLC - CA
2014/06/10
(707) 302-9
Wireless
New Cingular Wireless PCS, LLC
2018/02/09
Landline
Xo California, Inc.
-
(707) 345-0
Landline
Xo California, Inc.
2006/04/21
(707) 345-1
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/22
(707) 345-2
Landline
Mpower Communications Corp. - CA
2014/04/11
(707) 345-3
Landline
Paetec Communications, Inc. - CA
2016/11/14
(707) 345-4
Landline
Onvoy, LLC - CA
2012/12/12
(707) 345-5
Landline
Xo California, Inc.
-
(707) 345-6
Wireless
New Cingular Wireless PCS, LLC
2019/01/14
(707) 345-7
Landline
Xo California, Inc.
2005/05/10
(707) 345-8
Landline
Xo California, Inc.
2005/05/10
(707) 345-9
Landline
Xo California, Inc.
2005/05/10
Landline
O1 Communications, Inc. - CA
-
(707) 512-0
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/22
(707) 512-1
Landline
O1 Communications, Inc. - CA
-
(707) 512-2
Landline
O1 Communications, Inc. - CA
-
(707) 512-3
Landline
Comcast IP Phone, LLC
2017/06/23
(707) 512-4
Landline
Onvoy, LLC - CA
2018/11/30
(707) 512-5
Landline
Level 3 Communications, LLC - AK
2015/10/19
(707) 512-6
Landline
Centurylink Communications, LLC LA
2014/03/13
(707) 512-7
Landline
Onvoy, LLC - CA
2009/11/24
(707) 512-8
Landline
Onvoy, LLC - CA
2016/03/01
(707) 512-9
Landline
Onvoy, LLC - CA
2016/03/01
Wireless
New Cingular Wireless PCS, LLC
2019/09/13
(707) 804-0
Landline
Ip Horizon LLC
2021/04/07
(707) 804-1
Landline
Onvoy, LLC - CA
2021/06/29
(707) 804-2
Landline
Twilio International, Inc.
2020/08/11
(707) 804-3
Landline
Comcast IP Phone, LLC
2020/03/04
(707) 804-4
Landline
Onvoy, LLC - CA
2021/06/29
(707) 804-6
Wireless
New Cingular Wireless PCS, LLC
2020/03/23
(707) 804-7
Wireless
New Cingular Wireless PCS, LLC
2020/03/23
(707) 804-8
Wireless
New Cingular Wireless PCS, LLC
2019/12/02
(707) 804-9
Wireless
New Cingular Wireless PCS, LLC
2019/09/13
(707) 963
Landline
Pacific Bell
-
Landline
Pacific Bell
-
(707) 965-0
Landline
Pacific Bell
-
(707) 965-1
Landline
Pacific Bell
-
(707) 965-2
Landline
Pacific Bell
-
(707) 965-3
Landline
Pacific Bell
-
(707) 965-4
Landline
Onvoy, LLC - CA
2019/02/12
(707) 965-5
Landline
Utility Telecom Group, LLC - CA
2006/05/03
(707) 965-6
Landline
Pacific Bell
-
(707) 965-7
Landline
Pacific Bell
-
(707) 965-8
Landline
Local Access Services LLC - CA
2016/08/17
(707) 965-9
Landline
Pacific Bell
-
(707) 967
Landline
Pacific Bell
-
Landline
Pacific Bell
-
(707) 968-0
Landline
Pacific Bell
-
(707) 968-1
Wireless
New Cingular Wireless PCS, LLC
2018/02/09
(707) 968-2
Landline
Pacific Bell
-
(707) 968-3
Landline
Pacific Bell
-
(707) 968-4
Landline
Telnyx LLC
2017/07/11
(707) 968-5
Landline
Comcast IP Phone, LLC
2006/04/03
(707) 968-6
Landline
Peerless Network of California, LLC - CA
2013/03/05
(707) 968-7
Landline
Bandwidth.com CLEC, LLC - CA
2008/12/17
(707) 968-8
Landline
Pacific Bell
-
(707) 968-9
Landline
Pacific Bell
-