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Common Language®
General Codes

Common Language General Codes provide you with a stable naming scheme for describing company names, equipment frames, signaling types…and much, much more.

The following General Codes and Code Spreadsheets are available for purchase online at The Common Language Store.

Interexchange Access Customer (IAC) Codes (aka ACNA)
IAC Codes are assigned and administered by iconectiv as the maintenance agent for ANSI (American National Standards Institute). An IAC Code is a three character alphabetic code that represents the legal entity company name for a company requesting communications services as per ANSI ATIS-0300251.2007(R2012), Codes for Identification of Service Providers for Information Exchange. An IAC Code typically is a communications or information provider, however, other types of customers in the communications industry also receive the code as needed to do business with a trading partner and aid flow-thru processes in sending an Access Service Request (ASR) or Local Service Request (LSR) order. Some example classification may include Incumbent Local Exchange Carrier, a Competitive Local Exchange Carrier, a Reseller, a Wireless Services Provider, an Enhanced Service Provider, a Telecommunications Billing and/or Processing Company. A Competitive Access Provider, or any other type of company that is part of the communications industry.

Exchange Carrier (EC) Codes
EC Codes are assigned and administered by iconectiv as the maintenance agent for ANSI (American National Standards Institute). An EC Code is a two or four character alphabetic code that represents the legal entity company name for a company providing communications services as per ANSI ATIS-0300251.2007(R2012), Codes for Identification of Service Providers for Information Exchange. An EC typically provides dial tone and local exchange switching of telecommunications services and has at least one wire center, however, other types of companies in the communications industry also receive the code as needed to do business with a trading partner and aid flow-thru processes in receiving an Access Service Request (ASR) or Local Service Request (LSR) order. Some example classifications may include Incumbent Local Exchange Carriers. Competitive Local Exchange Carriers, Interexchange Carriers, Resellers, Wireless Services Providers, Enhanced Service Providers, Telecommunications Billing and/or Processing Companies, Competitive Access Providers, Regional Holding Companies, Content Providers and any other type of company that is part of the communications industry.

Interexchange Customer Service Center/Service Center (ICSC/SC) Codes
ICSC/SC Codes are assigned and administered by iconectiv. An ICSC/SC Code is a four character alphanumeric code that identifies a service provider's service center as needed to do business with a trading partner typically via Access Service Request (ASR) or Local Service Request (LSR) processes.

Manufacturer (MFR) Codes
MFR Codes are assigned and administered by iconectiv as the maintenance agent for ANSI (American National Standards Institute). The code is a four character alphabetic code that represents the legal entity company name for a company who manufactures equipment or provides, supplies, and/or services to the communications industry as per ANSI ATIS-0300220-2011, Representation of the Communications Industry Manufacturers, Suppliers, and Related Service Companies for Information Exchange.

Design Routing Codes (DRC)
DRCs are assigned and administered by iconectiv. A DRC code is a three character alphanumeric code that represents the customer device to which a Design Layout Report (DLR) is to be electronically delivered by the provider as a result of an Access Service Request (ASR) or Local Service Request (LSR) order. The customer device is usually a printer, email address, computer Connect:Direct® (NDM), or other electronic device for the requesting company.