Prefix 813-313 — Tampa Central, FL

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

Area code
813
Prefix (NXX)
313
Rate center
Tampa Central
State
Florida
Time zone
Eastern
Code holder
AT&T - LOCAL
OCN
7421
Pooled
Yes (thousands-block pooling)
Assigned
2001-09-20
LATA
952

The 813-313 prefix belongs to area code 813 and is anchored to the Tampa Central rate center (FL). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Tampa Central is part of the Tampa-St. Petersburg-Clearwater, FL Metropolitan Statistical Area. For routing purposes it sits in LATA 952. Numbers here keep Eastern time.

NANPA's central-office code records list AT&T - LOCAL (OCN 7421) as the code holder, assigned September 20, 2001. Because 813-313 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 813-313 is not proof the call came from Tampa Central: 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 813-313
PrefixRate centerCode holder
813-309 Tampa CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL
813-310 Tampa CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL
813-312 Zephyrhills METROPCS, INC.
813-314 Tampa Central FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA
813-315 Tampa East PAETEC ITEL, LLC
813-316 Tampa LEVEL 3 TELECOM OF FLORIDA, LP - FL

FAQ

Where is 813-313 located?

The prefix is assigned to the Tampa Central rate center in FL, area code 813. It is part of the Tampa-St. Petersburg-Clearwater, FL Metropolitan Statistical Area.

Which company owns 813-313 numbers?

AT&T - LOCAL 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 813-313 safe to answer?

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