Prefix 205-603 — Birmingham, AL

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

Area code
205
Prefix (NXX)
603
Rate center
Birmingham
State
Alabama
Time zone
Central
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL
OCN
6804
Pooled
Yes (thousands-block pooling)
Assigned
2010-01-13
LATA
476

Numbers in the 205-603 prefix are registered to the Birmingham rate center in AL, inside area code 205. The prefix is the second block of a ten-digit US number (205-603-XXXX) and pins the number to a billing locality.

Code-holder of record: CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL (OCN 6804), assigned January 13, 2010. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 205-603 numbers may be served by different companies.

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

Spoofing means this prefix on your screen doesn't guarantee a Birmingham caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 205-603
PrefixRate centerCode holder
205-600 Birmingham CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL
205-601 Birmingham NEW CINGULAR WIRELESS PCS, LLC - GA
205-602 Birmingham NEW CINGULAR WIRELESS PCS, LLC - GA
205-604 Butler CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL
205-605 Alabaster PAETEC ITEL, LLC
205-606 Sulligent CHARTER IP ENABLED SERVICES, LLC

FAQ

Where is 205-603 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 205-603 numbers?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 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 205-603 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.