In the modern era, the UIC has transitioned from a ledger entry to a digital tag. It is essential for Electronic Data Interchange (EDI), allowing computer systems to "talk" to one another without human intervention. It is also the cornerstone of the Defense Enrollment Eligibility Reporting System (DEERS) and personnel databases (NSIPS/BOL), ensuring that a sailor’s Pay Data System (PDS) entries link them to the correct command.
UICs are a small string of characters with outsized impact. They’re how the Navy transforms thousands of moving parts — people, ships, supplies and budgets — into coordinated action. Learn where your UIC lives, who maintains it, and treat it as the most important line on many forms.
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The Unit Identification Code (UIC) is a unique, six-character alphanumeric identifier that acts as the "Social Security Number" for every entity within the U.S. Department of Defense. While every branch uses them, the Navy’s UIC system is a cornerstone of its administrative and financial architecture, tracking everything from a massive aircraft carrier to a small specialized dive detachment. The Anatomy of a Navy UIC
Navy UICs follow a specific structure to ensure no two units are confused. In Navy systems, the code typically begins with the service designator "N".
First Character: Designates the service or government branch (e.g., N for Navy, M for Marine Corps, W for Army).
Characters 2-6: A unique five-digit sequence assigned by the Comptroller of the Navy (NAVCOMPT).
Purpose: These codes are vital for manpower allocation, readiness reporting, and managing fiscal resources like payroll and equipment funding. Notable UIC Examples
A UIC list often reads like a map of the Navy’s vast reach, from legendary ships to elite special operations groups. Command / Unit Chief of Naval Operations (CNO) 00011 The "top" of the Navy's administrative chain. USS Constitution 01024
Known as "Old Ironsides," it is the oldest commissioned ship afloat. SEAL Team Six 53999
Officially known as Naval Special Warfare Development Group. Blue Angels 30929 The Navy's Flight Demonstration Squadron. USS Gerald R. Ford (CVN 78) 23173 The lead ship of the newest class of aircraft carriers. Why UICs Matter to Sailors
For those in uniform, a UIC is more than just a line of code on a spreadsheet; it defines their professional life.
Department of Defense Activity Address Directory (DoDAAD) - DLA
A Unit Identification Code (UIC) is a six-character alphanumeric string that uniquely identifies every United States Navy unit, ship, or activity. It is primarily used for personnel reporting, financial management, and tracking unit readiness. 1. Structure of a Navy UIC
While some DoD branches vary, Navy UICs typically follow this format:
Prefix (Character 1): The Navy uses the letter "N" to signify a Navy unit.
Unit Identifier (Characters 2–6): A unique 5-digit number assigned to the specific command or vessel (e.g., USS Bunker Hill is UIC 21345). 2. How to Locate a UIC List
There is no single "master list" available to the public for security and administrative reasons, but you can find specific codes through these official channels:
SNDL (Standard Navy Distribution List): This is the most comprehensive authoritative source for command addresses and UICs. It is available on the Department of the Navy Issuances (DONI) website.
NSIPS (Navy Standard Integrated Personnel System): Active personnel can find UIC details by navigating to Main Menu > Unit Administration > Admin UIC Information.
MyNavy Portal & ETJ: Individuals can find their own unit's UIC on the first page of their Electronic Training Jacket (ETJ). navy uic code list
Active Ship Lists: Specialized databases often list UICs for the fleet, such as MyNavyHR's Billet Lists or historical ship archives. 3. Key UIC Categories
Department of Defense Activity Address Directory (DoDAAD) - DLA
A Unit Identification Code (UIC) is a unique, six-character alphanumeric code used by the U.S. Department of Defense (DoD) to identify specific organizational entities. For the U.S. Navy, these codes are critical for manpower, personnel, and fiscal management. Structure of a Navy UIC
While standard DoD UICs are six characters, the Navy traditionally uses a five-digit internal code preceded by a Service Designator.
Service Designator: The first character identifies the branch. For the Navy, this is "N".
Unique Identifier: The following five characters uniquely identify the specific command, ship, or activity (e.g., N00011 for the Chief of Naval Operations).
Related Codes: Navy shore activities use "N," while vessels or mobile units in the Pacific may use "R" and those elsewhere may use "V" for certain logistics purposes. Where to Find and Verify UICs
There is no single, publicly updated "master list" available for download due to operational security, but personnel can verify UICs through several official channels:
Searching for a Navy Unit Identification Code (UIC) typically requires access to official Department of Defense (DoD) portals, though some public address lists are available. A UIC is a unique six-character alphanumeric code used to identify DoD entities for manpower, readiness, and financial reporting. Defense Logistics Agency (DLA) (.mil) Official Lookup Methods (CAC Required)
The most accurate and up-to-date UIC lists are found within secure Navy systems: NSIPS (Navy Standard Integrated Personnel System) : Log in and navigate to
Main Menu > Unit Administration > Use > Admin UIC Information
. You can search by UIC in the department field and view command addresses and telephone information. MyNavy Assignment (MNA)
: You can select a UIC from the dropdown menus to pull up a summary of command information. PRIMS (Physical Readiness Information Management System)
: Search by UIC to view specific command and CFL information. RFMT (Reserve Force Manpower Tools) : Accessible via the MyNavy Portal quick links for reserve unit orders and history. MyNavyHR (.mil) Publicly Accessible Address & UIC Lists For users without CAC access, the Department of the Navy (DON) Issuances
website provides downloadable address lists and organization charts: Standard Navy Distribution List (SNDL)
: The most comprehensive public resource for Navy command addresses and associated UICs. SNDL Index of Codes (updated regularly, current version dated April 2026). SECNAV and CNO Shore & Fleet Address List (Excel download). Administrative Organization Charts
: These PDF documents list UICs within their echelon chain of command: Operating Forces of the U.S. Navy Shore Commands under SECNAV/CNO secnav.navy.mil Sample Unit Identification Codes
Department of Defense Activity Address Directory (DoDAAD) - DLA
A Unit Identification Code (UIC) is a unique, six-character alphanumeric identifier assigned to every U.S. Navy unit, ship, and activity. These codes are essential for financial transactions, manpower allocation, and readiness reporting. 🏗️ Structure of a Navy UIC
A standard Navy UIC follows a specific alphanumeric sequence to identify the organization: Investigative overview: Navy UIC code list The Digital
First Character: Identifies the military department (e.g., "N" for the U.S. Navy).
Next Three Characters: Represent the Parent Unit Designator, indicating the type of unit or branch.
Final Three Characters: Provide Descriptive Designators that highlight the unique characteristics of that specific unit. ⚓ Sample UICs for Active Units
Official lists are updated frequently through MyNavyHR based on current fleet requirements and commissioning status. Ships and Vessels Hull Number USS Bunker Hill (CG 52) 21345 USS Mobile Bay (CG 53) 21346 USS Antietam (CG 54) 21387 USS Chosin (CG 65) 21625 USS Gettysburg (CG 64) 21624 USS Mercy (Hospital Ship) 21636 USS Comfort (Hospital Ship) 21637 Specialized and Support Units SEAL Team Five: 08971 SEAL Team Six: 53999 NAVSPECWARGRU ONE: 39585 ACU 4 SHORE DET: 47106 🔍 How to Find or Verify a UIC
Navy personnel and authorized users can look up specific UICs through official systems:
Department of Defense Activity Address Directory (DoDAAD) - DLA
A Navy Unit Identification Code (UIC) is a five-digit numeric code (preceded by an "N" for Navy-specific systems) that uniquely identifies a command, ship, or organization for personnel, fiscal, and administrative purposes.
The primary official resource for searching UICs is the Standard Navy Distribution List (SNDL), which is often maintained as an Excel directory or PDF by the Department of the Navy Issuances (DONI). Common Navy UIC Examples
While there is no single static "text" list since UICs are updated as units commission or decommission, here are examples of high-level command UICs: Chief of Naval Operations (CNO): 00011 Bureau of Medicine and Surgery (BUMED): 00018 Naval Sea Systems Command (NAVSEA): 00024 Navy Reserve Force: 00072 Naval Special Warfare Command (WARCOM): 00074 U.S. Fleet Forces Command (USFLTFORCOM): 00060 Ship UIC Examples
Ship UICs are frequently used for billet assignments and payroll: USS Gettysburg (CG 64): 21624 USS Chosin (CG 65): 21625 USS Eisenhower (CVN 69): 03369 USS Gerald R. Ford (CVN 78): 23173 How to Look Up Specific UICs
If you are looking for a specific unit not listed above, you can use these internal military systems:
NSIPS: Personnel and admin professionals can navigate to Main Menu > Unit Administration > Use > Admin UIC Information to verify addresses and command details.
PRIMS: Fitness coordinators (CFLs) can search command information by typing a specific UIC into the Physical Readiness Information Management System (PRIMS).
MyNavy HR Billet Lists: The MyNavy HR Billet Based Advancement pages often release PDFs containing current UICs for open billets.
Unit Identification Code (UIC) is a five-digit alphanumeric string used by the U.S. Navy to identify specific ships, aircraft squadrons, shore commands, and other functional entities. It serves as the primary "address" for personnel assignments, financial accounting, and logistics. 1. How to Read a UIC
While some UICs appear random, they generally follow a structure based on the command's parent organization: Characters 1-2
: Often denote the service branch or a high-level command category (e.g., "N" for Navy). Characters 3-5 : Identify the specific unit or sub-activity.
traditionally refers to the Chief of Naval Operations (CNO). 2. Where to Find Official UIC Lists
Because UICs change as units are commissioned, decommissioned, or reorganized, there is no single permanent PDF. You can access the most current data through these official portals: DRRS-N (Defense Readiness Reporting System - Navy):
The primary database for command readiness and identification. NAVSO P-1000: Typical format: A Navy UIC commonly uses six
The Navy Budget Guidance Manual often contains tables for budget-submitting office (BSO) codes linked to UICs. FLTMPS (Fleet Management and Planning System):
Used by administrators to track manning and unit assignments. Standard Navy Distribution List (SNDL):
While largely digitized now, the SNDL remains the formal registry of all Navy activities and their associated UICs. 3. Common Uses for UICs Personnel (BUPERS):
Your orders will list a "Gaining UIC" to tell you exactly which command you are reporting to. Supply & Finance: UICs are used in Line of Accounting (LOA)
strings to ensure the correct unit is billed for equipment or travel.
In many overseas or fleet environments, the UIC helps route official mail through the Military Post Office (MPO). 4. How to Search for a Specific Code
If you have a code and need to find the unit name (or vice versa): Check your LES (Leave and Earnings Statement): Your current UIC is listed in the top section. Use the Navy Personnel Command (NPC) Portal:
Search the "Command Information" sections if you have CAC access. Unofficial Databases: Sites like HullNumber.com
or various veteran registries maintain historical lists of ship UICs, though these should be verified against official orders. 5. Security Note
While many UICs are unclassified, lists that aggregate UICs with specific locations, current readiness levels, or personnel counts may be restricted to FOUO (For Official Use Only)
The Navy Unit Identification Code (UIC) is the foundational data element of the United States Navy's administrative and logistical framework. Far from being a mere serial number, the UIC is a unique six-character alphanumeric identifier that allows the Department of Defense (DoD) to track every command, activity, and vessel with absolute precision
. By standardizing how units are identified, the Navy ensures that personnel assignments, financial accounting, and operational readiness are integrated into a single, searchable system. Structure and Composition
The structure of a UIC is designed to communicate specific information about the unit's nature and parentage. Service Designator:
The first character of a six-digit UIC indicates the branch of service. For the Navy, this character is always Unique Identity:
The middle characters provide a unique identifier for the specific entity, such as a ship or a shore station. Hierarchical Designator:
The final characters often indicate the unit's position within a hierarchy, distinguishing between a "parent" command and its "subordinate" or derivative units. For instance, a parent command might use a specific suffix that its smaller detachments do not share, allowing the Navy to roll up data from multiple small units into a single major command. Functional Importance The primary utility of the UIC list is its role in the Standard Navy Distribution List (SNDL) and various administrative systems. NAVY PAY AND PERSONNEL SUPPORT CENTER OPS ALERT
The UIC (Unit Identification Code) system is the Navy’s concise language for identifying every unit, ship, squadron, shore command and administrative entity. At first glance it’s a block of letters and numbers; up close it’s the organizational DNA that keeps logistics, pay, orders and operations coherent. This feature walks through what UICs are, how they’re structured and used, and why they matter — with examples, human stories and practical ways to look up and use UICs.
Here are a few notable examples to illustrate the system:
| UIC | Unit Name | Breakdown | | :--- | :--- | :--- | | N00N00 | Chief of Naval Operations (Pentagon) | Location: Navy Dept (N) / Type: Operations (00) | | N61H01 | COMSUBLANT (Commander, Submarine Force Atlantic) | Location: Norfolk (61) / Type: Headquarters (H) | | N01M59 | Naval Medical Center San Diego | Location: San Diego (01) / Type: Medical (M) | | N44W42 | USS George H.W. Bush (CVN-77) | Location: Norfolk (44) / Type: Warfare/Surface (W) | | N62V88 | USS Jason Dunham (DDG-109) | Location: Mayport (62) / Type: Destroyer (V/D) |