{"id":8859,"date":"2026-04-14T14:12:12","date_gmt":"2026-04-14T14:12:12","guid":{"rendered":"https:\/\/total-locker-service.com\/blog\/?p=8859"},"modified":"2026-04-15T15:44:18","modified_gmt":"2026-04-15T15:44:18","slug":"locker-key-numbers-explained","status":"publish","type":"post","link":"https:\/\/total-locker-service.com\/blog\/locker-key-numbers-explained\/","title":{"rendered":"Locker Key Numbers Explained (L&#038;F, Ojmar, ASSA Guide)"},"content":{"rendered":"\n<p>Locker key numbers are one of the most important details in any replacement key order. They help identify the correct cutting pattern for a lock, reduce ordering errors and make it much easier to restore access when a key has been lost or damaged.<\/p>\n\n\n\n<p>In schools, workplaces, leisure centres and industrial environments, lockers often rely on coded lock systems. That means a replacement key is usually made from the number linked to the lock rather than copied from a worn sample. If you need the wider overview first, see our <a href=\"https:\/\/total-locker-service.com\/blog\/locker-keys-uk-complete-guide\/\">Locker Keys UK guide<\/a>. If you are trying to locate the number itself, you can also read our guide on <a href=\"https:\/\/total-locker-service.com\/blog\/how-to-find-your-locker-key-code\/\">how to find your locker key code<\/a>. If you already know the code and just need a replacement, order from our <a href=\"https:\/\/total-locker-service.com\/Locker-keys.php\">replacement locker keys<\/a> page.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-locker-key-numbers\">What Are Locker Key Numbers?<\/h2>\n\n\n\n<p><p>Locker key numbers are reference codes used to identify the exact key pattern required for a specific lock. They are often stamped onto the key itself, marked on the face of the lock or recorded in site records. These numbers are essential because many locker locks look similar from the outside, even though they require different keys. Where the code cannot be matched confidently, it may be safer to review compatible <a href=\"https:\/\/total-locker-service.com\/LockerLocks.php\">replacement locker locks<\/a> before ordering. <span style=\"font-size: revert; background-color: rgb(255, 255, 255); color: initial;\"> <\/span>For the broader overview of locker key types, replacement and ordering, see our <a href=\"https:\/\/total-locker-service.com\/blog\/locker-keys-uk-complete-guide\/\">Locker Keys UK guide<\/a>.If you are trying to locate the number right now, our guide on <a href=\"https:\/\/total-locker-service.com\/blog\/how-to-find-your-locker-key-code\/\">how to find your locker key code<\/a> walks through the process.<\/p><\/p>\n\n\n\n<p>Once the correct number is known, a replacement key can usually be produced using a <strong>cut to code<\/strong> process. That means the key is cut to match the original lock specification rather than copied from an existing key.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-locker-key-numbers-matter\">Why Locker Key Numbers Matter<\/h2>\n\n\n\n<p>A correct key number helps avoid wasted orders, delays and unnecessary lock changes. In busy settings, that matters. Staff may need access to uniforms or equipment, pupils may need access to personal storage and facilities teams may need to restore access quickly without removing the whole lock. To support that process, many sites keep coded spares and master keys in secure <a href=\"https:\/\/total-locker-service.com\/Key-Cabinets.php\">key cabinets<\/a> with a clear numbering system.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>improves replacement accuracy<\/li>\n\n\n\n<li>reduces delays when keys are lost<\/li>\n\n\n\n<li>helps facilities teams manage larger locker estates<\/li>\n\n\n\n<li>supports faster ordering of spares and duplicates<\/li>\n<\/ul>\n\n\n\n<p>If you are dealing with a missing key right now, our guide on <a href=\"https:\/\/total-locker-service.com\/blog\/lost-locker-key-what-to-do-uk\/\">what to do if a locker key is lost<\/a> explains the next steps.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-where-to-find-locker-key-numbers\">Where to Find Locker Key Numbers<\/h2>\n\n\n\n<p>The key number may appear in one of several places depending on the lock system in use. In many cases, the simplest option is to check the original key. If the key is missing, the lock face or site records may still provide the information needed.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>stamped on the original key<\/li>\n\n\n\n<li>marked on the lock face near the keyhole<\/li>\n\n\n\n<li>recorded in locker allocation or maintenance records<\/li>\n\n\n\n<li>listed in spare key systems or key logs<\/li>\n<\/ul>\n\n\n\n<p>To avoid confusion, always record the full number exactly as shown, including any letters, prefixes or leading digits.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-understanding-l-amp-f-locker-key-numbers\">Understanding L&amp;F Locker Key Numbers<\/h2>\n\n\n\n<p>L&amp;F stands for Lowe &amp; Fletcher, one of the best-known lock manufacturers used in locker systems. L&amp;F locker keys often follow established numeric series, and those numbers are used to match the correct replacement key to the correct lock.<\/p>\n\n\n\n<p>Many facilities teams are familiar with L&amp;F ranges because they appear across a wide variety of school, workplace and leisure lockers. The key number is the crucial detail, not just the appearance of the key.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L&amp;F systems commonly use defined code ranges<\/li>\n\n\n\n<li>the number may be stamped on the key or lock<\/li>\n\n\n\n<li>similar-looking keys can still belong to different series<\/li>\n\n\n\n<li>accurate recording matters when ordering spares<\/li>\n<\/ul>\n\n\n\n<p>If you already have the correct number, you can order through our <a href=\"https:\/\/total-locker-service.com\/Locker-keys.php\">locker key replacement service<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-understanding-ojmar-locker-key-numbers\">Understanding Ojmar Locker Key Numbers<\/h2>\n\n\n\n<p>Ojmar locks are commonly used in lockers, especially in changing room and leisure environments. Their key numbering may include a mix of letters and numbers depending on the system. That makes accurate reading especially important, as one missed character can result in the wrong replacement.<\/p>\n\n\n\n<p>Where wrist strap locker keys or wet area systems are used, Ojmar locks are often part of the setup. In those cases, the numbering still remains the core reference point for replacement.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>check carefully for letter prefixes<\/li>\n\n\n\n<li>record the number exactly as shown<\/li>\n\n\n\n<li>confirm the lock type where possible<\/li>\n\n\n\n<li>use site records if the original key is missing<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-understanding-assa-locker-key-numbers\">Understanding ASSA Locker Key Numbers<\/h2>\n\n\n\n<p>ASSA lock systems are also used in locker environments and rely on defined number series for replacement keys. As with other manufacturers, the number links directly to the key profile and cutting pattern required.<\/p>\n\n\n\n<p>ASSA keys may look straightforward, but the numbering must still be matched correctly. A similar-looking key from another range will not necessarily work, even if the general size and shape appear close.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASSA systems rely on accurate key number identification<\/li>\n\n\n\n<li>the code should be checked carefully before ordering<\/li>\n\n\n\n<li>site records can be helpful when the key is missing<\/li>\n\n\n\n<li>replacement is much easier when key logs are maintained properly<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-similar-keys-can-still-be-wrong\">Why Similar Keys Can Still Be Wrong<\/h2>\n\n\n\n<p>One of the most common mistakes is assuming that a key can be identified by sight alone. Many locker keys look alike. Even so, small differences in the cut pattern, profile or code range can make them completely incompatible with the lock.<\/p>\n\n\n\n<p>That is why the key number matters so much. It removes guesswork and ensures the replacement is matched to the correct system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-avoid-ordering-the-wrong-locker-key\">How to Avoid Ordering the Wrong Locker Key<\/h2>\n\n\n\n<p>A few practical checks can reduce mistakes significantly.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>read the full number carefully<\/li>\n\n\n\n<li>double-check letters and digits<\/li>\n\n\n\n<li>confirm the lock brand if possible<\/li>\n\n\n\n<li>compare with site records before ordering<\/li>\n\n\n\n<li>avoid relying only on the appearance of the key<\/li>\n<\/ul>\n\n\n\n<p><p>If you need to understand the replacement method itself, our guide on <a href=\"https:\/\/total-locker-service.com\/blog\/cut-to-code-locker-keys-explained\/\">cut to code locker keys<\/a> explains how the process works.<\/p><p>Once the number is confirmed, many replacements can be supplied using a <a href=\"https:\/\/total-locker-service.com\/blog\/cut-to-code-locker-keys-explained\/\">cut to code<\/a> process.<\/p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-locker-key-numbers-and-bulk-replacement-orders\">Locker Key Numbers and Bulk Replacement Orders<\/h2>\n\n\n\n<p>On larger sites, locker key numbers are also useful for planning bulk replacements. Facilities teams may review their locker stock, record all key numbers and order spare keys in batches for future use. That can be more efficient than waiting until a problem arises.<\/p>\n\n\n\n<p>Bulk ordering also helps when lockers are reallocated regularly or when high-use areas need better continuity. A recorded key system supports quicker response times and stronger overall control.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-locker-key-numbers-fit-into-the-wider-locker-system\">How Locker Key Numbers Fit into the Wider Locker System<\/h2>\n\n\n\n<p>Keys should never be treated in isolation. They are part of a wider locker setup that includes the lock, the locker body, the numbering system and the site\u2019s record-keeping process. Managing all of these together reduces disruption and supports better long-term maintenance. Where lockers are being reviewed more broadly, our <a href=\"https:\/\/total-locker-service.com\/worklockers.php\">workplace lockers<\/a> range can help standardise storage, locking and key control across the site.<\/p>\n\n\n\n<p><p>If you are reviewing the wider storage setup at the same time, you can explore our <a href=\"https:\/\/total-locker-service.com\/Lockers.php\">locker ranges<\/a>, available <a href=\"https:\/\/total-locker-service.com\/LockerLocks.php\">locker locks<\/a> and useful <a href=\"https:\/\/total-locker-service.com\/Locker-accessories.php\">locker accessories<\/a>.If you already know the correct number, Use our <a href=\"https:\/\/total-locker-service.com\/Locker-keys.php\">locker keys page<\/a> to order replacements. If the code is unclear or the lock may need changing, review our <a href=\"https:\/\/total-locker-service.com\/LockerLocks.php\">replacement locker locks<\/a>. For secure key control on larger sites, see our <a href=\"https:\/\/total-locker-service.com\/Key-Cabinets.php\">key cabinets<\/a>. For the full overview of key types, code systems and ordering guidance, return to our <a href=\"\/blog\/replacement-locker-keys-key-cutting-next-day-service-wide-selection-of-keys\/\">Locker Keys UK guide<\/a>.<\/p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-order-replacement-keys-with-confidence\">Order Replacement Keys with Confidence<\/h2>\n\n\n\n<p>Once you have the correct number, replacing a locker key is usually much more straightforward. The key number gives the supplier the information needed to cut the right replacement and reduce the risk of delay.<\/p>\n\n\n\n<p>Use our <a href=\"https:\/\/total-locker-service.com\/Locker-keys.php\">locker keys page<\/a> to order replacements. For the full overview of key types, code systems and ordering guidance, return to our <a href=\"https:\/\/total-locker-service.com\/blog\/locker-keys-uk-complete-guide\/\">Locker Keys UK guide<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions-about-locker-key-numbers\">Frequently Asked Questions About Locker Key Numbers<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-are-locker-key-numbers-the-same-as-locker-numbers\">Are locker key numbers the same as locker numbers?<\/h3>\n\n\n\n<p><p>No. A locker number identifies the locker itself, while a key number identifies the cutting pattern needed for the key.<\/p><p>If the code is unclear or security is now a concern, compare the options in <a href=\"https:\/\/total-locker-service.com\/blog\/locker-key-vs-lock-replacement\/\">locker key replacement vs lock replacement<\/a>.<\/p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-i-order-a-replacement-locker-key-using-only-the-number\">Can I order a replacement locker key using only the number?<\/h3>\n\n\n\n<p>In many cases, yes. The correct number is often the main detail needed for a cut to code replacement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-do-l-amp-f-ojmar-and-assa-use-different-key-number-systems\">Do L&amp;F, Ojmar and ASSA use different key number systems?<\/h3>\n\n\n\n<p>Yes. Each manufacturer uses its own code ranges and key systems, which is why the full number must be recorded accurately.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-should-i-do-if-i-cannot-read-the-number-clearly\">What should I do if I cannot read the number clearly?<\/h3>\n\n\n\n<p>Check the lock face, review site records or compare against a spare key if one exists. If needed, identify the lock brand before ordering.<\/p>\n\n<ul>\n<li><a href=\"\/blog\/locker-layout-planning-guide-uk\/\">Locker layout planning<\/a><\/li>\n<li><a href=\"\/blog\/workplace-lockers-uk-guide\/\">Workplace lockers guide<\/a><\/li>\n<li><a href=\"\/Lockers.php\">View locker ranges<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Locker key numbers are one of the most important details in any replacement key order. They help identify the correct cutting pattern for a lock, reduce ordering errors and make it much easier to restore access when a key has been lost or damaged.<\/p>\n","protected":false},"author":2,"featured_media":8851,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"linkedin_8!sp!ccgY3PHH_8!sp!ccgY3PHH":"","facebook_10230588337348033_137624466298818":"","facebook_10230588337348033_17841463266660361":"","tumblr_totallockerservice1_totallockerservice1":"","twitter_14542543_14542543":"","linkedin_Y0!sp!DomBmhU_Y0!sp!DomBmhU":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":true,"token":"eyJpbWciOiJodHRwczpcL1wvdG90YWwtbG9ja2VyLXNlcnZpY2UuY29tXC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI2XC8wNFwvbG9ja2VyLWtleXMtVUstMTAyNHg2ODMucG5nIiwidHh0IjoiTG9ja2VyIEtleSBOdW1iZXJzIEV4cGxhaW5lZCAoTCYjMDM4O0YsIE9qbWFyLCBBU1NBIEd1aWRlKSIsInRlbXBsYXRlIjoiaGlnaHdheSIsImZvbnQiOiIiLCJibG9nX2lkIjo1NTI3OTQzMn0.Zw8Mc7x3o0pNzdDlh63PFfq_SsI0Fq4ZqrFYKPb1kHMMQ"},"version":2},"_wpas_customize_per_network":false},"categories":[330],"tags":[],"class_list":["post-8859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-keys"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Locker Key Numbers Explained: L&amp;F, Ojmar &amp; ASSA Guide UK 26<\/title>\n<meta name=\"description\" content=\"Understand locker key numbers for L&amp;F, Ojmar and ASSA locks. 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Someone may be locked out of personal belongings, staff may lose access to equipment or uniforms, and site teams may need to deal with delays that interrupt\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"lost locker key situation with replacement locker keys ready for use","src":"https:\/\/i0.wp.com\/total-locker-service.com\/blog\/wp-content\/uploads\/2026\/04\/Locker-keys-cut-to-code.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/total-locker-service.com\/blog\/wp-content\/uploads\/2026\/04\/Locker-keys-cut-to-code.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/total-locker-service.com\/blog\/wp-content\/uploads\/2026\/04\/Locker-keys-cut-to-code.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/total-locker-service.com\/blog\/wp-content\/uploads\/2026\/04\/Locker-keys-cut-to-code.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/total-locker-service.com\/blog\/wp-content\/uploads\/2026\/04\/Locker-keys-cut-to-code.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/total-locker-service.com\/blog\/wp-content\/uploads\/2026\/04\/Locker-keys-cut-to-code.png?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/posts\/8859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/comments?post=8859"}],"version-history":[{"count":0,"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/posts\/8859\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/media\/8851"}],"wp:attachment":[{"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/media?parent=8859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/categories?post=8859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/total-locker-service.com\/blog\/wp-json\/wp\/v2\/tags?post=8859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}