TFNRegistry UI: What are the Fields, their Descriptions and Valid Values for the NXL Page?

NPA

This required 3 numeric characters in the range from 000-999, excluding all X00, X11, and 8XX (Toll-Free) codes. The Numbering Plan Area (NPA) must be a valid code in the TFNRegistry™ Plain Old Telephone Service (POTS) NPA Table where the Effective Date is less than or equal to the Effective Date of the NPA-NXX.

3 Characters

NXX

This required 3 numeric characters; N=0-9, X=0-9; range 000-999.

3 Characters

LATA

Valid up to 3-digit LATA known to TFNRegistry.

3-digit code

OCN

The Operating Company Number (OCN) from the Terminating Point Master (TPM) database identifies either the Incumbent Local Exchange Carrier (ILEC) or the Competitive Local Exchange Carrier (CLEC) that controls the NPA-NXX and offers telecom service to its subscriber lines.

4 Characters

CO

The Company Code (CO) from the TPM database identifies the ILEC that operates the central office switch and the Common Channeling Signal (CCS) Network serving the NPA-NXX.

2 Characters

Effective Date

Optional data entry field that identifies the Effective Date for the NPA-NXX to LATA and company codes association.

Effective date must be later than the current date at the time the entry is established and cannot be greater than one year from the current date.

MM/DD/YYYY

Status

Status is derived field based on the Effective Date on the NXL record:

• Active: Its Effective Date is equal to or earlier than the current date. A unit with the status of active has view only.
• Pending: A unit having a future Effective Date. A unit with the status of pending can be modified.
• Old: A previously Active/Disconnect unit having a past Effective Date. A unit with the status of old has view only permission and cannot be modified.
• Disconnect: Indicates current NXL record is no longer active as of Effective Date. It should be removed from the TFNRegistry via a cleanup process.

Status values:

• Active
• Pending
• Old
• Disconnect