Monitor, Oregon Area Codes

503 971
Map of Monitor Local time Prefixes

Map of Monitor

Local time – 1 timezone

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Mountain timezone

Prefixes – 2 codes

Prefix
Type
Location
Carrier
Assigned
(503) 634
Landline
Monitor Coop. Tel. Co.
-
(971) 305
Unknown
Teltrust Corporation - OR
2012/10/09

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