OCE meaning in Regional ?

Answer: What is Oregon, California and Eastern Railway mean?

The Oregon, California and Eastern Railway (OC&E) was a 64-mile (103 km) rail line between Klamath Falls and Bly in the U.S. state of Oregon. After 70 years of bringing logs from nearby forests to local sawmills, the former railroad right of way was converted to the OC&E Woods Line State Trail.

reference

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Outreach Cooperative Extension	Academic & Science
Office of Continuing Education	Academic & Science
Ocean City (md)	Airport Code
Objections to Contractor's Employees	Business
Ontario Centres of Excellence	Business
Ocean Capital Ltd	Business
Open Cut Examiner	Certifications
Online and Continuing Education	Community
Office of Cultural Education	Community
OpenCascade Community Edition	Community
One Clip Edit	Computer Hardware
On Chip Emulation	Computing
Olicom Ethernet	Computing
Oracle Certified Expert	Computing
Online Capacity Expansion	Computing
Other Common Carrier Channel Equipment	Computing
Open Computing Environment	Computing
OceanEx Token	Cryptocurrency
Our Children's Earth	General
Open Collaboration Environment	General
Official Chapter Event	General
Opposed Cylinder Engine	General
Opel Club Elmshorn	General
Off Cycle Emissions	General
Oldtimer Club Entlebuch	General
Open Circulation Edition	General
Outpatient Code Editor	General
of the Chief Economist	General
Office of the Chief Economist	General
Office of Congressional Ethics	General
Orthopedic Center of Excellence	General
Oregon Corrections Enterprises	General
Outstandingly Crappy Edition	General
Offset Carbonic Emissions	Governmental
Office of the City Engineer	Governmental
Officer Conducting The Exercise	Military and Defence
Office of The Chief of Engineers	Military and Defence
Open Collaborative Environment	Networking
Oregon, California and Eastern Railway	Regional
Oceania	Regional
Ocean City, Maryland USA	Regional
Ocean Color Experiment	Space Science
Optical Control Electronics	Space Science