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Horned Frog Athletics
Scott & Wes Frog Fan Forum
Thoughts on 817 helmets?
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<blockquote data-quote="Deep Purple" data-source="post: 3184706" data-attributes="member: 17"><p>The alphabetic prefix in telephone numbers wasn't to "help people recall numbers." </p><p></p><p>Before the addition of modern switching equipment, the prefix represented a physical exchange site where operators at switchboards manually connected calls within a defined service area. This remained the case even after most large urban areas eliminated switchboard operators, adopting automatic switching and direct dialing during the 1940s. However, an automated exchange was still tied to a defined service area, hence the retention of the prefix. The exchange prefixes were standardized by AT&T during the 1940s and 1950s:</p><p></p><p>MU = Murray Hilll</p><p>OV = Overland</p><p>BL = Baldwin</p><p>etc.</p><p></p><p>During 1962-1981, alphabetic prefixes were fazed out in favor of all-numeric calling (ANC), which was more flexible, more expansion-friendly, and easily allowed for consolidating smaller service areas in a single larger area.</p><p></p><p>Source: My uncle, who joined the Bell System as a lineman in 1947 and climbed the corporate later for the next 44 years until he retired in 1991.</p></blockquote><p></p>
[QUOTE="Deep Purple, post: 3184706, member: 17"] The alphabetic prefix in telephone numbers wasn't to "help people recall numbers." Before the addition of modern switching equipment, the prefix represented a physical exchange site where operators at switchboards manually connected calls within a defined service area. This remained the case even after most large urban areas eliminated switchboard operators, adopting automatic switching and direct dialing during the 1940s. However, an automated exchange was still tied to a defined service area, hence the retention of the prefix. The exchange prefixes were standardized by AT&T during the 1940s and 1950s: MU = Murray Hilll OV = Overland BL = Baldwin etc. During 1962-1981, alphabetic prefixes were fazed out in favor of all-numeric calling (ANC), which was more flexible, more expansion-friendly, and easily allowed for consolidating smaller service areas in a single larger area. Source: My uncle, who joined the Bell System as a lineman in 1947 and climbed the corporate later for the next 44 years until he retired in 1991. [/QUOTE]
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Scott & Wes Frog Fan Forum
Thoughts on 817 helmets?
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