The Full form of CENTREX is Central Office Exchange (PBX-like Service), or CENTREX stands for Central Office Exchange (PBX-like Service), or the full name of given abbreviation is Central Office Exchange (PBX-like Service).
CENTREX (Central Office Exchange (PBX-like Service))
Central Office Exchange (PBX-like Service) is known as CENTREX.
CENTREX all full forms
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