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November 1, 1972 · TAP (YIPL)

TAP No. 14 - More Codes, AT&T Papers, Ca. Test Numbers

TAP No. 14 - More Codes, AT&T Papers, Ca. Test Numbers

A reader Q&A column answers technical questions on tuning red box volume and warns that ‘blue box detectors’ are now being deployed. Publishes a fresh batch of credit card numbers and an expanded list of overseas country dialing codes. A reader describes Bell’s internal operator-training films and secrecy indoctrination (‘official communications secrecy act’), painting a picture of the company’s internal culture, alongside a submitted limerick and continued mentions of the Captain Crunch defense fund.

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