Prefix 210-449 — San Antonio, TX

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

Area code
210
Prefix (NXX)
449
Rate center
San Antonio
State
Texas
Time zone
Central
Code holder
NEW CINGULAR WIRELESS PCS, LLC - IL
OCN
6534
Pooled
Yes (thousands-block pooling)
Assigned
2007-02-12
LATA
566

210-449 identifies a block of numbers in San Antonio, TX, within the 210 area code. Every US prefix is tied to exactly one rate center; this one is San Antonio.

The rate center lies in the San Antonio-New Braunfels, TX Metropolitan Statistical Area. The serving LATA is 566. Local time follows the Central zone.

Treat the on-screen number as a hint, not evidence — 210-449 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.

The assigned code holder is NEW CINGULAR WIRELESS PCS, LLC - IL, operating company number 6534, assigned February 12, 2007. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Neighboring prefixes

Prefixes adjacent to 210-449
PrefixRate centerCode holder
210-446 San Antonio LEVEL 3 COMMUNICATIONS, LLC - TX
210-447 San Antonio U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
210-448 San Antonio U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
210-450 San Antonio SOUTHWESTERN BELL
210-451 San Antonio AT&T ENTERPRISES, LLC
210-452 San Antonio NEW CINGULAR WIRELESS PCS, LLC - IL

FAQ

Where is 210-449 located?

The prefix is assigned to the San Antonio rate center in TX, area code 210. It is part of the San Antonio-New Braunfels, TX Metropolitan Statistical Area.

Which company owns 210-449 numbers?

NEW CINGULAR WIRELESS PCS, LLC - IL 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 210-449 safe to answer?

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