Prefix 214-436 — Frisco, TX

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

Area code
214
Prefix (NXX)
436
Rate center
Frisco
State
Texas
Time zone
Central
Code holder
SOUTHWESTERN BELL
OCN
9533
Pooled
Yes (thousands-block pooling)
Assigned
2008-10-24
LATA
552

Numbers in the 214-436 prefix are registered to the Frisco rate center in TX, inside area code 214. The prefix is the second block of a ten-digit US number (214-436-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list SOUTHWESTERN BELL (OCN 9533) as the code holder, assigned October 24, 2008. Because 214-436 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 Dallas-Fort Worth-Arlington, TX Metropolitan Statistical Area. The serving LATA is 552. Local time follows the Central zone.

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

Neighboring prefixes

Prefixes adjacent to 214-436
PrefixRate centerCode holder
214-433 Waxahachie CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX
214-434 Dallas AT&T ENTERPRISES, LLC
214-435 Grand Prairie NEW CINGULAR WIRELESS PCS, LLC - IL
214-437 Grand Prairie CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX
214-438 Dallas MCIMETRO ACCESS TRANSMISSION SERVICES LLC
214-439 Grand Prairie SPOK, INC.

FAQ

Where is 214-436 located?

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

Which company owns 214-436 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 214-436 safe to answer?

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