TEST TN  - Test Telephone Number

Identifies the last four digits of the test telephone number to be used by the provider.

NOTE 1: The first six digits of the TEST TN will be the SAC and NXX being tested.

USAGE: This field is conditional.

NOTE 1: Required when the SAC ACT field is “A” or “N”.

NOTE 2: Optional when the SAC ACT field is “K”.

NOTE 3: Otherwise prohibited.

DATA CHARACTERISTICS: 4 numeric characters

EXAMPLE: 4 4 4 4