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Extension Look-Up Table

OUS Extension to Telephone Number Conversion Table
(sorted by extension number)


5-digit Extension

11-digit Telephone Number

Campus

1-4000 to 1-4999

1-503-751-4000 to 4999

WOU

1-5000 to 1-5999

1-541-851-5000 to 5999

OIT

1-6000 to 1-6999

1-541-201-6000 to 6999

SOU

1-7000 to 1-8999

1-503-471-7000 to 8999

PSU

2-3000 to 2-4499

1-541-962-3000 to 4499

EOU

2-6000 to 2-8999

1-541-552-6000 to 8999

SOU

3-0000 to 3-9999

1-541-713-0000 to 9999

OSU

4-0000 to 4-9999

1-503-494-0000 to 9999

OHSU

5-0000 to 5-1999

1-541-885-0000 to 1999

OIT

5-2000 to 5-9999

1-503-725-2000 to 9999

PSU

6-0000 to 6-9999

1-541-346-0000 to 9999

UO

7-0000 to 7-0099
7-0100 to 7-0399
7-0450
to 7-0874
7-0875
to 7-0899
7-0900
to 7-9999

1-541-737-0000 to 0099
1-541-867-0100 to 0449
1-541-737-0450 to 0874
1-541-867-0875 to 0899
1-541-737-0900 to 9999

OSU
OSU - HMSC
OSU
OSU - HMSC
OSU

8-0000 to 8-7999

1-503-418-0000 to 7999

OHSU

8-8000 to 8-9799

1-503-838-8000 to 9799

WOU



OUS Extension to Telephone Number Conversion Table
(sorted by institution name)


5-digit Extension

11-digit Telephone Number

Campus

2-3000 to 2-4499

1-541-962-3000 to 4499

EOU

4-0000 to 4-9999

1-503-494-0000 to 9999

OHSU

8-0000 to 8-7999

1-503-418-0000 to 7999

OHSU

1-5000 to 1-5999

1-541-851-5000 to 5999

OIT

5-0000 to 5-1999

1-541-885-0000 to 1999

OIT

3-0000 to 3-9999

1-541-713-0000 to 9999

OSU

7-0000 to 7-0099
7-0100 to 7-0399
7-0450
to 7-0874
7-0875 to 7-0899
7-0900
to 7-9999

1-541-737-0000 to 0099
1-541-867-0100 to 0449
1-541-737-0450 to 0874
1-541-867-0875 to 0899
1-541-737-0900 to 9999

OSU
OSU - HMSC
OSU
OSU - HMSC
OSU

1-7000 to 1-8999

1-503-471-7000 to 8999

PSU

5-2000 to 5-9999

1-503-725-2000 to 9999

PSU

1-6000 to 1-6999

1-541-201-6000 to 6999

SOU

2-6000 to 2-8999

1-541-552-6000 to 8999

SOU

6-0000 to 6-9999

1-541-346-0000 to 9999

UO

1-4000 to 1-4999

1-503-751- 4000 to 4999

WOU

8-8000 to 8-9799

1-503-838- 8000 to 9799

WOU

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