Prefix: 1-2 alphanumeric characters. This is an optional field.
Service Code & Modifier: 2-4 alphabetic characters (usually 4). This is a required field.
Serial Number: 1-6 digits. This is a required field.
Suffix: 3 character suffix to the serial number may be required (rarely used).
CO (Company) Code: 2-4 alphabetic characters (usually NW, MS, or PN). This is a required field.
Segment: 1-3 alphanumeric characters. optional for non-multi-point circuits. multi-point segments map to Circuit End Location, e.g. CLK1 = A, CLK2 = B
A Billing Telephone Number
(BTN) cannot be used for opening a Trouble
Report. The Serial Number Circuit Format must be used.
Prefix: alphanumeric characters. required if it exists (not all telephone number circuits have a prefix)
Service Code & Modifier: 2-4 alphabetic characters (usually 4); This is a required field when specifying a non-DSL telephone numbered circuit.
NPA: 3 digits. This is a required field.
NXX: 3 digits. This is a required field.
Line: 4 digits. This is a required field.
Extension: 1-5 alphanumeric characters. This is an optional field.
For states: AZ, CO, ID,
MT, NM, UT, WY, alphas not accepted; convert D1 to 0001, D2 to
0002, etc.
Segment: 1-3 alphanumeric characters. This is an optional field. rarely used
Channel Group Number: 1-5 alphanumeric characters. This is a required field.
Facility Type: 1-6 alphanumeric characters. This is a required field. Examples: T1, T1F, T1U, T1UZF, T1Z, T1ZF, T3
A CLLI Code: 8 or 11 alphanumeric characters. This is a required field.
Z CLLI Code: 8 or 11 alphanumeric characters. This is a required field.
All 4 of the above components
are required
Trunk Number: 1-4 alphanumeric characters. This is a required field.
Traffic Class: 1-2 alphanumeric characters. This is a required field. A hyphen may be allowed
Office Class: 1-2 alphanumeric characters. This is a required field. A hyphen may be allowed
A separator is not used
between the Traffic Class and Office Class
Traffic Use Code: 2 alphanumeric characters. This is a required field. A hyphen may be allowed. No separator between Office class and Traffic Use Code
Traffic Modifier: 1-7 alphanumeric characters. This is an optional field. No separator between Traffic Use Code and Traffic Modifier
A CLLI Code: 8 or 11 alphanumeric characters. This is a required field.
Pulse & Direction: 2 alphanumeric characters. This is a required field.
Z CLLI Code: 8 or 11 alphanumeric characters. This is a required field.
