Onekama, Michigan Area Codes

Map of Onekama

Local time – 1 timezone

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Atlantic timezone

Prefixes – 3 codes

Prefix
Type
Location
Carrier
Assigned
(231) 255
Wireless
USA Mobility Wireless, Inc.
-
Unknown
Kaleva Telephone Company - MI
2008/06/03
(231) 508-0
Unknown
Kaleva Telephone Company - MI
2008/06/04
(231) 508-1
Landline
Onvoy, LLCv - MI
2015/07/20
(231) 508-2
Landline
Onvoy, LLCv - MI
2021/02/04
(231) 508-3
Landline
Mcimetro Access Transmission Services LLC
2016/06/13
(231) 508-4
Landline
Centurylink Communications, LLC LA
2017/08/30
(231) 508-5
Landline
AT&T Corp.
2011/08/11
(231) 508-6
Landline
Teleport Communications America - ID - LLC
2016/09/12
(231) 508-7
Landline
Onvoy, LLCv - MI
2016/03/17
(231) 508-8
Landline
Onvoy, LLCv - MI
2013/02/20
(231) 508-9
Landline
Onvoy, LLCv - MI
2016/03/17
Landline
Michigan Bell Tel CO
-
(231) 889-0
Landline
Michigan Bell Tel CO
-
(231) 889-1
Landline
Acd Telecom, Inc. - MI
2005/01/18
(231) 889-2
Wireless
Onvoy Spectrum, LLC
2021/05/24
(231) 889-3
Landline
Michigan Bell Tel CO
-
(231) 889-4
Landline
Michigan Bell Tel CO
-
(231) 889-5
Landline
Michigan Bell Tel CO
-
(231) 889-6
Landline
Level 3 Communications, LLC - AK
2006/04/27
(231) 889-7
Landline
Charter Fiberlink - Michigan, LLC - MI
2007/01/24
(231) 889-8
Landline
Long Distance of Michigan, Inc. DBA Ldmi - MI
2004/01/12
(231) 889-9
Landline
Michigan Bell Tel CO
-