Prefix 813-421 — Tampa Central, FL

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

Area code
813
Prefix (NXX)
421
Rate center
Tampa Central
State
Florida
Time zone
Eastern
Code holder
BANDWIDTH.COM CLEC, LLC - FL
OCN
982E
Pooled
Yes (thousands-block pooling)
Assigned
2008-09-04
LATA
952

The 813-421 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 BANDWIDTH.COM CLEC, LLC - FL (OCN 982E) as the code holder, assigned September 4, 2008. Because 813-421 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 813-421 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 813-421
PrefixRate centerCode holder
813-418 Tampa Central NEW CINGULAR WIRELESS PCS, LLC - GA
813-419 Tampa South BANDWIDTH.COM CLEC, LLC - FL
813-420 Tampa AERIAL COMMUNICATIONS, INC.
813-422 Tampa Central CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL
813-423 Tampa East YMAX COMMUNICATIONS CORP. - FL
813-424 Tampa Central AERIAL COMMUNICATIONS, INC.

FAQ

Where is 813-421 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 813-421 numbers?

BANDWIDTH.COM CLEC, LLC - FL 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 813-421 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.