Boulder, Montana Area Codes

Map of Boulder

Local time – 1 timezone

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Central timezone

Prefixes – 3 codes

Prefix
Type
Location
Carrier
Assigned
Landline
Qwest Corporation
-
(406) 225-0
Landline
Onvoy, LLC - MT
2012/11/13
(406) 225-2
Landline
Ymax Communications Corp. - MT
2009/09/18
(406) 225-3
Landline
Qwest Corporation
-
(406) 225-4
Landline
Qwest Corporation
-
(406) 225-5
Landline
Ymax Communications Corp. - MT
2009/02/04
(406) 225-6
Landline
Ymax Communications Corp. - MT
2009/02/04
(406) 225-7
Landline
Onvoy, LLC - MT
2007/02/21
(406) 225-8
Landline
Ymax Communications Corp. - MT
2008/10/21
(406) 225-9
Landline
Qwest Corporation
-
Landline
Onvoy, LLC - MT
2012/11/16
(406) 313-0
Landline
Onvoy, LLC - MT
2012/11/19
(406) 313-1
Landline
Bresnan Broadband of Montana, LLC - MT (Charter)
2019/03/08
(406) 313-2
Landline
Onvoy, LLC - MT
2020/03/05
(406) 313-3
Landline
Onvoy, LLC - MT
2019/09/30
(406) 313-4
Landline
Onvoy, LLC - MT
2019/12/04
(406) 313-5
Landline
Onvoy, LLC - MT
2020/01/24
(406) 313-6
Landline
Onvoy, LLC - MT
2012/11/19
(406) 313-7
Landline
Centurylink Communications, LLC LA
2014/04/30
(406) 313-8
Landline
Onvoy, LLC - MT
2020/03/05
(406) 313-9
Landline
Telnyx LLC
2020/07/14
Landline
AT&T - Local
2019/07/12
(406) 316-1
Landline
Onvoy, LLC - MT
2021/04/12
(406) 316-2
Wireless
Onvoy Spectrum, LLC
2021/06/22
(406) 316-3
Landline
Onvoy, LLC - MT
2020/05/07
(406) 316-4
Landline
Onvoy, LLC - MT
2020/10/09
(406) 316-5
Landline
Onvoy, LLC - MT
2021/04/16
(406) 316-6
Landline
Onvoy, LLC - MT
2021/08/04
(406) 316-9
Landline
AT&T - Local
2019/07/16