---
title: "Useful Sinclair Programmer Notes (On Telephone Nos.)"
type: "article"
slug: "useful-sinclair-programmer-notes-on-telephone-nos"
url: "http://localhost/article/useful-sinclair-programmer-notes-on-telephone-nos/"
markdown_url: "http://localhost/article/useful-sinclair-programmer-notes-on-telephone-nos.md"
published_at: "2020-10-27T17:09:20+00:00"
modified_at: "2024-05-26T13:52:41+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Hints on how to store a telephone number in three bytes (encoded) versus seven bytes."
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publication: "TS Bulletin"
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  title: "TS Bulletin"
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authors: "Bill Harmer"
issue: "S-7-1990"
pages: "4"
pubdate: "September 1990"
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archiveurl: "https://archive.org/download/ts-bulletin/TS%20Bulletin%20S-7-90.pdf"
volumeissue: "vnS-7-1990"
---

# Useful Sinclair Programmer Notes (On Telephone Nos.)

Hints on how to store a telephone number in three bytes (encoded) versus seven bytes.