Prefix 404-623 — Atlanta, GA

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

Area code
404
Prefix (NXX)
623
Rate center
Atlanta
State
Georgia
Time zone
Eastern
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA
OCN
6540
Pooled
Yes (thousands-block pooling)
Assigned
2012-01-13
LATA
438

A phone number starting 404-623 was issued in the Atlanta rate center of GA — part of area code 404.

The assigned code holder is CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA, operating company number 6540, assigned January 13, 2012. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

A scammer can display 404-623 without ever touching GA. 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.

Atlanta is part of the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area. For routing purposes it sits in LATA 438. Numbers here keep Eastern time.

Neighboring prefixes

Prefixes adjacent to 404-623
PrefixRate centerCode holder
404-620 Atlanta CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA
404-621 Atlanta POWERTEL ATLANTA LICENSES, INC.
404-622 Atlanta BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
404-624 Atlanta BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
404-625 Atlanta NEW CINGULAR WIRELESS PCS, LLC - GA
404-626 Atlanta NEW CINGULAR WIRELESS PCS, LLC - GA

FAQ

Where is 404-623 located?

The prefix is assigned to the Atlanta rate center in GA, area code 404. It is part of the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area.

Which company owns 404-623 numbers?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 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 404-623 safe to answer?

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