Prefix 615-645 — Nashville, TN

NANPA CO code assignment, current as of July 28, 2026.

Area code
615
Prefix (NXX)
645
Rate center
Nashville
State
Tennessee
Time zone
Central
Code holder
LEVEL 3 COMMUNICATIONS, LLC - TN
OCN
4806
Pooled
Yes (thousands-block pooling)
Assigned
2014-07-16
LATA
470

A phone number starting 615-645 was issued in the Nashville rate center of TN — part of area code 615.

Code-holder of record: LEVEL 3 COMMUNICATIONS, LLC - TN (OCN 4806), assigned July 16, 2014. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 615-645 numbers may be served by different companies.

A scammer can display 615-645 without ever touching TN. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.

Nashville is part of the Nashville-Davidson--Murfreesboro--Franklin, TN Metropolitan Statistical Area. For routing purposes it sits in LATA 470. Numbers here keep Central time.

Neighboring prefixes

Prefixes adjacent to 615-645
PrefixRate centerCode holder
615-642 Nashville POWERTEL NASHVILLE LICENSES, INC.
615-643 Greenbrier BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL
615-644 Westmoreland NORTH CENTRAL TEL. COOP., INC.
615-646 Nashville BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL
615-647 Nashville AT&T ENTERPRISES, LLC
615-648 Murfreesboro CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN

FAQ

Where is 615-645 located?

The prefix is assigned to the Nashville rate center in TN, area code 615. It is part of the Nashville-Davidson--Murfreesboro--Franklin, TN Metropolitan Statistical Area.

Which company owns 615-645 numbers?

LEVEL 3 COMMUNICATIONS, LLC - TN holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.

Is a call from 615-645 safe to answer?

The prefix itself says nothing about the caller. Legitimate Nashville businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.