Prefix 404-203 — Atlanta, GA

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

Area code
404
Prefix (NXX)
203
Rate center
Atlanta
State
Georgia
Time zone
Eastern
Code holder
TELEPORT COMMUNICATIONS AMERICA, LLC - GA
OCN
8392
Pooled
Yes (thousands-block pooling)
Assigned
2023-05-19
LATA
438

A phone number starting 404-203 was issued in the Atlanta rate center of GA — part of area code 404.

NANPA's central-office code records list TELEPORT COMMUNICATIONS AMERICA, LLC - GA (OCN 8392) as the code holder, assigned May 19, 2023. Because 404-203 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

A scammer can display 404-203 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 404-203
PrefixRate centerCode holder
404-200 Atlanta POWERTEL ATLANTA LICENSES, INC.
404-201 Atlanta NEW CINGULAR WIRELESS PCS, LLC - GA
404-202 Atlanta NEW CINGULAR WIRELESS PCS, LLC - GA
404-205 Atlanta CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA
404-206 Atlanta BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
404-207 Atlanta ONVOY, LLC - GA

FAQ

Where is 404-203 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 404-203 numbers?

TELEPORT COMMUNICATIONS AMERICA, LLC - 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 404-203 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.