Granite, Oklahoma Area Codes

580
Map of Granite Local time Prefixes

Map of Granite

Local time – 1 timezone

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Eastern timezone

Prefixes – 1 codes

Prefix
Type
Location
Carrier
Assigned
Landline
Southwestern Bell
-
(580) 535-0
Landline
Peerless Network of Oklahoma, LLC - OK
2016/01/26
(580) 535-1
Landline
Southwestern Bell
-
(580) 535-2
Landline
Telnyx LLC
2019/09/04
(580) 535-3
Landline
Terra Nova Telecom Inc.
2020/04/14
(580) 535-4
Landline
Southwestern Bell
-
(580) 535-5
Landline
Onvoy, LLC - OK
2021/02/03
(580) 535-6
Wireless
Cellular Network Partnership
2006/07/25
(580) 535-7
Landline
AT&T Corp.
2011/01/06
(580) 535-8
Landline
Onvoy, LLC - OK
2016/05/31
(580) 535-9
Landline
Onvoy, LLC - OK
2016/05/31

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