Identifies the COMMON LANGUAGE® Products IAC code or NECA code for the Provider company that prepared the DLR for the affected access.
VALID ENTRIES:
Valid COMMON LANGUAGE Products code or a four alpha/numeric character code structure for all Exchange Carriers in North America and certain U.S. territories maintained by NECA.
USAGE: This field is required.
DATA CHARACTERISTICS: 4 alpha/numeric characters
EXAMPLES: P A
1 2 A 3