In Three Days of the Condor, there's a scene where Robert Redford's character calls someone on the phone and requests a "CNA". Does anyone know what CNA stands for in this context?
WOMAN'S VOICE
(FILTER)
CNA, Mrs. Coleman speaking.
TURNER
(into test-set)
This is Harold Thomas, Mrs. Coleman,
Customer Service. CNA on 202 555-7389,
please.
WOMAN'S VOICE
(FILTER)
One moment, please.
(Here's a transcript of the scene in question: http://www.cswap.com/1975/Three_Days_of_the_Condor/cap/en/25fps/a/01_25)