Prefix 210-238 — San Antonio, TX

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

Area code
210
Prefix (NXX)
238
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
2011-03-25
LATA
566

Numbers in the 210-238 prefix are registered to the San Antonio rate center in TX, inside area code 210. The prefix is the second block of a ten-digit US number (210-238-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (OCN 6506) as the code holder, assigned March 25, 2011. Because 210-238 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

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.

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

Neighboring prefixes

Prefixes adjacent to 210-238
PrefixRate centerCode holder
210-235 San Antonio SOUTHWESTERN BELL
210-236 San Antonio TELEPORT COMMUNICATIONS AMERICA, LLC - TX
210-237 San Antonio LEVEL 3 OF TELECOM OF TEXAS, LLC - TX
210-239 San Antonio FOREMOST TELECOMMUNICATIONS CORPORATION - TX
210-240 San Antonio NEW CINGULAR WIRELESS PCS, LLC - IL
210-241 San Antonio NEW CINGULAR WIRELESS PCS, LLC - IL

FAQ

Where is 210-238 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 210-238 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 210-238 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.