Identifies a single number used to uniquely identify a switch that has ported numbers, is used to route a call to the switch and applies to all NPA /NXX associated with this request.
NOTE 1: This LRN applies to all NPA/NXX associated with this request.
VALID ENTRIES:
Positions 1-3 = NPA
Positions 4-6 = NXX
Positions 7-10 = Any four-digit numeric assigned by the customer
USAGE: This field is conditional.
NOTE 1: Optional when the ACT field on the ASR Form is “N”, the DIR field is “1O”, “2W” or “2O”, the C.NPA/NXX field is populated and the LRN field is blank.
NOTE 2: Optional when the ACT field on the ASR Form is “C”, the C.NPA/NXX field is populated and the LRN field is blank and the first position of the REQTYP field on the ASR form is “M”.
NOTE 3: Otherwise prohibited.
DATA CHARACTERISTICS: 10 numeric characters
EXAMPLE: 2 1 4 3 3 3 0 0 0 1