Prefix 205-638 — Birmingham, AL

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

Area code
205
Prefix (NXX)
638
Rate center
Birmingham
State
Alabama
Time zone
Central
Code holder
BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL
OCN
9419
Pooled
Yes (thousands-block pooling)
Assigned
2012-02-28
LATA
476

205-638 identifies a block of numbers in Birmingham, AL, within the 205 area code. Every US prefix is tied to exactly one rate center; this one is Birmingham.

The rate center lies in the Birmingham, AL Metropolitan Statistical Area. The serving LATA is 476. Local time follows the Central zone.

Treat the on-screen number as a hint, not evidence — 205-638 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.

NANPA's central-office code records list BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (OCN 9419) as the code holder, assigned February 28, 2012. Because 205-638 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Neighboring prefixes

Prefixes adjacent to 205-638
PrefixRate centerCode holder
205-635 Pinson NEW CINGULAR WIRELESS PCS, LLC - GA
205-636 West Blocton PAETEC ITEL, LLC
205-637 Birmingham CHARTER IP ENABLED SERVICES, LLC
205-639 Birmingham ONVOY, LLC - AL
205-640 Leeds WINDSTREAM ALABAMA, INC.
205-641 Birmingham CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL

FAQ

Where is 205-638 located?

The prefix is assigned to the Birmingham rate center in AL, area code 205. It is part of the Birmingham, AL Metropolitan Statistical Area.

Which company owns 205-638 numbers?

BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 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 205-638 safe to answer?

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