Prefix 214-479 — Dallas, TX

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

Area code
214
Prefix (NXX)
479
Rate center
Dallas
State
Texas
Time zone
Central
Code holder
SOUTHWESTERN BELL
OCN
9533
Pooled
Yes (thousands-block pooling)
Assigned
2010-11-01
LATA
552

The 214-479 prefix belongs to area code 214 and is anchored to the Dallas rate center (TX). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Dallas is part of the Dallas-Fort Worth-Arlington, TX Metropolitan Statistical Area. For routing purposes it sits in LATA 552. Numbers here keep Central time.

The assigned code holder is SOUTHWESTERN BELL, operating company number 9533, assigned November 1, 2010. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Caller ID showing 214-479 is not proof the call came from Dallas: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.

Neighboring prefixes

Prefixes adjacent to 214-479
PrefixRate centerCode holder
214-476 Grand Prairie T-MOBILE USA, INC.
214-477 Grand Prairie T-MOBILE USA, INC.
214-478 Grand Prairie NEW CINGULAR WIRELESS PCS, LLC - IL
214-480 Dallas SOUTHWESTERN BELL
214-481 Dallas MCIMETRO ACCESS TRANSMISSION SERVICES LLC
214-482 Grand Prairie METROPCS, INC.

FAQ

Where is 214-479 located?

The prefix is assigned to the Dallas rate center in TX, area code 214. It is part of the Dallas-Fort Worth-Arlington, TX Metropolitan Statistical Area.

Which company owns 214-479 numbers?

SOUTHWESTERN BELL 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 214-479 safe to answer?

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