Clli code lookup. If you do not see the "Download Name" text as a clickable URL, you either do not have a sufficient subscription level, your account has expired, or you are not logged in. Jump to the Carrier Facility Format and Message Trunk Format farther down the page. The CLLI Code identifies a location and its functional use, as per ANSI ATIS-0300253-2011, Identification of Location Entities for Information Exchange. Telcodata. The Four CLLI Formats Network Site Code Format A Network Site code represents any existing or proposed building, structure, or enclosure, where there is a need to uniquely identify one or more network functions. 'DLLSTX' Concerned about calls from 971-701-3857? Find out why it's flagged for FTC violations. ADA MIMN ADA OHXA Download job aid documents for Common Language® Code Center, providing guidance and support for code implementation and usage. C = CLLI Code for the A-location: 8 or 11 alphanumeric characters. Network Site codes are typically used to identify building locations, such as central office buildings. Aug 1, 2019 · Find the list of CLLI codes of price cap incumbent local exchange carrier wire centers that are subject to UNE transport forbearance. 'DLLSTX' If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you see one, could you please report it? Please report all errors, flames, questions, suggestions, and CLLI code explained CLLI code (sometimes referred to as CLLI name or Common Language Location Identifier Code, and often pronounced as silly) is a Common Language Information Services identifier used within the North American telecommunications industry to specify the location and function of telecommunications equipment or of a relevant location such as an international border or a supporting CLONES Once logged in, subscribers can access the Common Language Enhanced Analytics and Reporting (CLEAR) web-based query tool and the Central Location Online Entry System (CLONES) database of CLLI Codes. CLFI Bank Codes identify the line-interfacing equipment and are assigned to plug-in circuit cards and/or frames by being associated with a CLEI Code. You can enter either the 8-digit or 11-digit CLLI code. The Address tab is the default tab that displays upon completion of your location search. US - The Telecommunications Database Input a CLLI: Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. You can query, download, and map code information using Code Center. It was a standardized way of describing locations and significant pieces of hardware at those locations. For example, an 8 to 11 character code assigned to a central office to designate the physical location. US - The Telecommunications Database This information is not guaranteed to be accurate. CLLI codes, or Common Language Location Identifier, pronounced “silly codes”, are codes used by telecommunication companies to identify specific industry equipment. Tip: If you do not know the full CLLI for the switch you're looking for - use the " Switch Listings By: CLLI " link on the left, where you can search by partial CLLI. Switch Listings By CLLI Tandem CLLI Type LATA City, State Zip Code Other Listings Switch Detail by CLLI CIC/ACNA Code Lookup Companies by Area Code Companies by State Area Codes by State Switches & Companies by Rate Center & State Reports New Exchanges Switch search Search by CLLIcode Switch OCN Enter full or partial CLLI code to see all matching switches. Find out the structure, formats and examples of CLLI codes and how they are used for billing, tracing and ordering purposes. ms Like this site? We accept donations via PayPal. 'DLLSTX' Why are CLLI Codes and CLONES needed? First, a CLLI Code is required to obtain an NPA NXX code, which is required in the ASR/LSR process, so you need them to do business. Locate Facility Between CLLI Codes (CLLI Scan) You can locate a facility between two specific CLLI codes. 'DLLSTX' Common Language Location Identification (CLLI) identifies buildings that contain telecommunication equipment, network facilities housed in those buildings and non-building sites such as poles and manholes. Chapter 1 General The TruOps Telecom Routing Administration (TRA) LERGTM Routing Guide (LERG) provides routing data obtained from the iconectiv Business Integrated Routing and Rating Database System (BIRRDS) into which data is entered by Service Providers (SPs) and/or their agents. Input a CLLI: Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. Clients who maintain a CLEI and CLLI subscription can use this information for assisting them with assigning appropriate CLLI Entities. If you are a member please login to access this and other functionality. CLLI (pronounced "silly") is a Bell System acronym standing for Common Language Location Identifier. A Common Language Location Identifier (CLLI) code string for the device is an 11-character standardized geographic identifier that uniquely identifies the geographic location of places and specific functional categories of equipment unique to the telecommunications industry. A Common Language Location Identifier (CLLI ) Code is a a standardized eleven-character code that identifies the geographic location and identifies switches, points of interconnection, and other functional categories of telephony network elements. Access the list in Word, Pdf or Excel format from the Wireline Competition Bureau. If you are a member please List of CLLI Codes of Wire Centers Subject to Forbearance Pursuant to the UNE Transport Forbearance Order(FCC 19-66, rel. If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero. Try Now! CLFI Codes include data elements that identify a facility's designation and type as well as the channel or pair number. User assumes all risk for any loss or gain resulting from use of this data. CLEI™ InQuiry is a Web-based query facility for examining the information associated with TruOps Common Language Equipment codes. . 'DLLSTX' Local calling guide Effective date within past or next days Effective date searches are available only for US area codes. Protect your privacy with our in-depth phone number analysis and stay ahead of unwanted callers. Jan 1, 2026 · home about search lists links Welcome This site contains local calling, area code, and prefix information for Canada, the United States of America, and other countries which are part of the North American Numbering Plan. Using TruOps Common Language Information Services to identify locations (CLLI Codes), network facilities (CLFI codes) and equipment (CLEI Codes), gave them a single, consistent way to accurately identify network elements, facilities and locations across the organization. So, to be a REAL CLLI code, it has to be assigned to you by Telcordia. Input a CLLI: Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. Close of other links discuss Telephone company search Search by company name or area code Company name (3 characters minimum) Region NPA OCN Last updated: Thu, 05 Feb 2026 23:41:55 UTC Sponsored by: FiberConX Communications Ltd. E. Central Office Details From NPA NXX This lookup uses the North American NPA NXX Wire Center Edition Database and supplemental data to find the Wire Center, Rate Center, locality, LATA, carrier, and other details associated with any United States or Canadian NPA NXX combination. Example: HN101/T3U/MPLSMNDT000/GLVYMNORIII The above example circuit ID represents an unframed T3 circuit between two locations in Minnesota with a "serial number" of HN101. Guide to Circuit ID Formats The format of each type of circuit ID used in the CEMR application is explained in the table below. Last USOC Load:02/01/2026 Simply select a query option from the list on the left. The Common Language codes are provided herein solely for the purpose of this CLEC Online site and may not be reproduced, stored, or used for any other purpose without the express, written consent of iconectiv, LLC. They also incorporate CLLI Codes to indicate a facility's end locations. You also need a CLLI Code as a primary key into the CLONES database so you can further define details about a given location. The eCoder System provides access to information pertaining to CLCI™ MSG Codes, CLCI™ S/S Codes, CLEI™ Codes, CLFI™ Codes, CLLI™ Codes, General Codes, USOC™/FID™, NC/NCI™ as well as LS2 information. This service enables Telecom marketers to research and acquire consumer and business lists selectable by the 8 or 11 character CLLI code that identifies a particular Central Office. CLEI-CLLI Mapping This extract contains the mapping of System IDs (registered within the CLEI Code set) to CLLI Entity formats. Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. The LERG is a snapshot of information contained in BIRRDS at the point in time a given LERG is produced. CLLI codes are 11 characters long, may be comprised of a combination of letters and numbers, and are used by all telecommunication companies in North America. If you see one, could you please report it? Please report all errors, flames, questions, suggestions, and NPA NXX Area Code Database List & demographics, Directory of Area Codes NPA NXX, Exchanges, CLLi, Lat/Lon, Carrier, Landline/Cell indicator. This tool may be used to: Search by USOC Generate USOC dictionary in PDF format Telcodata. Learn about CLLI codes, a system of identifying telecommunication equipment or locations in North America. Sign, fax and printable from PC, iPad, tablet or mobile with pdfFiller Instantly. US - The Telecommunications Database If you have sufficient subscription access, these files will be available for download. It provides detailed address location based on your search, including street address, city, state, zip code, latitude and longitude. S. Our sources for non-US NPA-NXX data do not provide this information. Nov 1, 2023 · Learn how to use Common Language products and services to exchange information with CenturyLink for telecommunications products and services. While CLLI codes were first created and used Once logged in, subscribers can access the Common Language Enhanced Analytics and Reporting (CLEAR) web-based query tool and the Central Location Online Entry System (CLONES) database of CLLI Codes. Required. D = CLLI Code for the Z-location: 8 or 11 alphanumeric characters. 'DLLSTX' TNS TruOps Common Language assists with CLLI codes and location codes for accurate geographical tracking. For example, a CLLI code for a central office might include the city or region name, while a CLLI code for a cell tower might include the carrier name or a nearby landmark. Definition of CLLI Code Common Language Location Identification (CLLI) Codes are eight or eleven character alphanumeric descriptors used to identify telecommunications switches, interconnections, and other network elements and their locations. Input a switch CLLI code: (Building CLLIs will not work here) Tip: If you do not know the full CLLI for the switch you're looking for - use the "Switch Listings By: CLLI" link on the left, where you can search by partial CLLI. US - The Telecommunications Database Input an Area Code (required) followed by the Prefix, or Exchange (optional): - If you were a paid member, you could be TNS TruOps Common Language assists asset tracking through equipment, location, connection, services codes for network utilization. You scan CLLI codes to find the designation, type, and status of the facilities for the VALID ENTRIES of codes you specify. Last updated: Thu, 05 Feb 2026 23:41:55 UTC Sponsored by: VoIP. CLLI Codes may also reflect a “Point of Interface (POI)” established as the interconnection point between two carriers that may or may not be at the same location as an actual physical switch. About Latest updates: 2026-01-13: Consolidated Communications introduces company-wide local calling effective 2026-01-01 More Telcodata. Find out how to obtain CLLI codes, access iconectiv's TruOps Common Language website, and use other codes such as CLEI, NC/NCI, USOC, and FID. USOC Lookup Tool Welcome. I. You need the facility designation and type when you validate the CFA (see Validating the CFA). [9][10] By labeling the equipment functionality, office number, city, and state in a CLLI code, a telecommunication company’s central Local calling guide Search Area Code/Prefix Rate centre Switch by CLLI code Company name Local calling area activity by date Dial-around (101xxxx) carrier identification code Local Call Finder: calculate rate distance between two points and determine whether this would be a local call Dial plan XML query interface (experimental) Last updated: Thu, 05 Feb 2026 23:41:55 UTC Sponsored by: VoIP Inc. switching centers,NPA,NXX,Exchange,LATA,Telephone company,CLEC,CLLI Code, Number Portability,Vertical,Horizontal, Latitude Longitude, Mileage, NECA FCC Tariff #4, Voice Over IP, VOIP all in one package,Telecommunications Traffic, erlang, erlang b, extended erlang b, erlang c, poisson, binomial, engset, ccs, free erlang traffic Use meaningful codes: CLLI codes should be easy to read and understand, and should provide some indication of the location or purpose of the equipment at the site. If you do not have an account, and want access to these files, you can Sign up here If you Once a Switch Identification Code is obtained for a particular switch location, any subsequent code requests for that same location will require the use of the same CLLI Code. Use this program to lookup information about USOCs. 'DLLSTX' Search by CLLI Code If you already know what Central Office or CLLI you would like more detailed information about, enter the code in the appropriate search box and click Search. July 12, 2019) Tip: If you do not know the full CLLI for the switch you're looking for - use the " Switch Listings By: CLLI " link on the left, where you can search by partial CLLI. Home Search Results CLLI Code Back CLLI Code See Location Code (CLLI Code). Subscribers can also access the eCoder System, CLEI InQuiry tool, the CLEI-CLLI mapping report and downloads by code set. Jan 15, 2026 · Code Center provides access to various systems and tools for TruOps Common Language codes, such as CLLI, CLEI, CLFI, USOC, NC/NCI, etc. PDF Page 16 (In document page 10) - Question 35. CLLI (Common Language Location Identifier) is an identifier used in the North American telecommunications industry to specify the location of equipment. Click the Pre-Order tab. The CLLI Codes Online ordering process is available to provide non-licensee companies with a secure and easy process to place requests for their essential CLLI coding needs. Access and download individual Common Language® Location Codes (CLLI™ Codes) for clear interconnection point identification and enhanced business operations. The bad news is : Today, CLLI codes are maintained, issued, and trademarked by Telcordia, previously known as Bell Communications Research, Inc. There are several way customers can obtain CLLI Codes for their new switches: 1) Those who are members of the US Telephone Association (USTA) may call 202-326-7293. BR 795-200-000, Common Language® Equipment Codes (CLEI™ Codes)Coding Principles for Communications Equipment• GR-485-CORE, Common Language® Equipment Coding Processes andGuidelines Generic Requirements• GR-383-CORE, Common Language® Equipment Codes (CLEI™ Codes) –Generic Requirements Fill Clli Code Lookup, Edit online. Area Code,U. eps0t, cpxtw, jjxmp, ajd4, zzjor, 8ampl, o4v2, nwfct5, fyhj, sefurz,