Prefix 210-319 — San Antonio, TX

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

Area code
210
Prefix (NXX)
319
Rate center
San Antonio
State
Texas
Time zone
Central
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX
OCN
6506
Pooled
Yes (thousands-block pooling)
Assigned
2007-03-01
LATA
566

210-319 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 — 210-319 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.

Code-holder of record: CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (OCN 6506), assigned March 1, 2007. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 210-319 numbers may be served by different companies.

Neighboring prefixes

Prefixes adjacent to 210-319
PrefixRate centerCode holder
210-316 San Antonio T-MOBILE USA, INC.
210-317 San Antonio T-MOBILE USA, INC.
210-318 San Antonio METROPCS, INC.
210-320 San Antonio GRANDE COMMUNICATIONS NETWORKS, INC. - TX
210-321 San Antonio SOUTHWESTERN BELL
210-322 San Antonio NEW CINGULAR WIRELESS PCS, LLC - IL

FAQ

Where is 210-319 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 210-319 numbers?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 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 210-319 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.