{"id":2443,"date":"2008-01-10T14:21:00","date_gmt":"2008-01-10T20:21:00","guid":{"rendered":"http:\/\/www.lordandrei.com\/blog\/?p=2443"},"modified":"2008-01-10T14:21:00","modified_gmt":"2008-01-10T20:21:00","slug":"technology-didjaknows-area-codes","status":"publish","type":"post","link":"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/","title":{"rendered":"Technology DidjaKnows &#8211; Area Codes"},"content":{"rendered":"<p>I used to have memorized a list of major city area codes. It was easy because they were all clumped with similar numbers<\/p>\n<table border=\"1\">\n<tr>\n<td>212-NYC<\/td>\n<td>312 Chicago<\/td>\n<td>412 Pgh<\/td>\n<td>512-Austin<\/td>\n<\/tr>\n<tr>\n<td>213-LA<\/td>\n<td>313 Detroit<\/td>\n<td>413 W.Mass<\/td>\n<\/tr>\n<tr>\n<td>214-Dallas<\/td>\n<td>314 St.L.<\/td>\n<\/tr>\n<tr>\n<td>215-Phila<\/td>\n<\/tr>\n<\/table>\n<p>Coming across a page in wikipedia&#8230; I now understand why the big cities were all clumped.<\/p>\n<p>The Area Code system started back in the days of <a href=\"http:\/\/www.rotarydialphones.com\/images\/nbp4ba.jpg\">Rotary Dial<\/a>.<\/p>\n<p>Instead of pressing a button to create a combination of two notes to identify a number, you turned a dial which would click the line for a count equal to the number. Thus &#8220;212&#8221; sounded like:<br \/>\n&#8220;Fwip-click-click, fwip-click, fwip-click-click&#8221;<\/p>\n<p>As a result, the original area codes were passed out to cities based on population to minimize the amount of clicks you had to dial to get thru the the city.<\/p>\n<p>So by clicks:<\/p>\n<table border=\"1\">\n<tr>\n<th>5<\/th>\n<th>6<\/th>\n<th>7<\/th>\n<th>8<\/th>\n<\/tr>\n<tr>\n<td>212 NYC<\/td>\n<td>213 LA<\/td>\n<td>214 Dallas<\/td>\n<td>215 Phila<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>312 Chicago<\/td>\n<td>313 Detroit<\/td>\n<td>314 St. L.<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td>412 Pgh.<\/td>\n<td>413 W. Mass<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td>512 Austin<\/td>\n<\/tr>\n<\/table>\n<p>In the initial plan, 605 (SD), 704 (NC), 803(SC) were the original losers with 21 clicks to dial (0 was 10 clicks).<\/p>\n<p>With the advent of tone dialing, the reason an area code is assigned now is to reduce confusion among customers. This is why you get areas with 206, 425, and 360.<\/p>\n<p>So nifty technology history.<\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-2443\" class=\"share-facebook sd-button share-icon no-text\" href=\"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/?share=facebook\" target=\"_blank\" title=\"Click to share on Facebook\" ><span><\/span><span class=\"sharing-screen-reader-text\">Click to share on Facebook (Opens in new window)<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-2443\" class=\"share-twitter sd-button share-icon no-text\" href=\"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/?share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\" ><span><\/span><span class=\"sharing-screen-reader-text\">Click to share on Twitter (Opens in new window)<\/span><\/a><\/li><li class=\"share-pinterest\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-pinterest-2443\" class=\"share-pinterest sd-button share-icon no-text\" href=\"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/?share=pinterest\" target=\"_blank\" title=\"Click to share on Pinterest\" ><span><\/span><span class=\"sharing-screen-reader-text\">Click to share on Pinterest (Opens in new window)<\/span><\/a><\/li><li class=\"share-tumblr\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-tumblr sd-button share-icon no-text\" href=\"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/?share=tumblr\" target=\"_blank\" title=\"Click to share on Tumblr\" ><span><\/span><span class=\"sharing-screen-reader-text\">Click to share on Tumblr (Opens in new window)<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>I used to have memorized a list of major city area codes. It was easy because they were all clumped with similar numbers 212-NYC 312 Chicago 412 Pgh 512-Austin 213-LA 313 Detroit 413 W.Mass 214-Dallas 314 St.L. 215-Phila Coming across a page in wikipedia&#8230; I now understand why the big cities were all clumped. The [&hellip;]<\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-2443\" class=\"share-facebook sd-button share-icon no-text\" href=\"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/?share=facebook\" target=\"_blank\" title=\"Click to share on Facebook\" ><span><\/span><span class=\"sharing-screen-reader-text\">Click to share on Facebook (Opens in new window)<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-2443\" class=\"share-twitter sd-button share-icon no-text\" href=\"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/?share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\" ><span><\/span><span class=\"sharing-screen-reader-text\">Click to share on Twitter (Opens in new window)<\/span><\/a><\/li><li class=\"share-pinterest\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-pinterest-2443\" class=\"share-pinterest sd-button share-icon no-text\" href=\"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/?share=pinterest\" target=\"_blank\" title=\"Click to share on Pinterest\" ><span><\/span><span class=\"sharing-screen-reader-text\">Click to share on Pinterest (Opens in new window)<\/span><\/a><\/li><li class=\"share-tumblr\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-tumblr sd-button share-icon no-text\" href=\"http:\/\/www.lordandrei.com\/blog\/2008\/01\/10\/technology-didjaknows-area-codes\/?share=tumblr\" target=\"_blank\" title=\"Click to share on Tumblr\" ><span><\/span><span class=\"sharing-screen-reader-text\">Click to share on Tumblr (Opens in new window)<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[1],"tags":[82,181,950,214],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1X6ba-Dp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/posts\/2443"}],"collection":[{"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/comments?post=2443"}],"version-history":[{"count":0,"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/posts\/2443\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/media?parent=2443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/categories?post=2443"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.lordandrei.com\/blog\/wp-json\/wp\/v2\/tags?post=2443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}