Prefix 913-521 — Kansas City, KS

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

Area code
913
Prefix (NXX)
521
Rate center
Kansas City
State
Kansas
Time zone
Central
Code holder
AVID COMMUNICATIONS, LLC - KS
OCN
742D
Pooled
Yes (thousands-block pooling)
Assigned
2018-03-05
LATA
524

The 913-521 prefix belongs to area code 913 and is anchored to the Kansas City rate center (KS). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Kansas City is part of the Kansas City, MO-KS Metropolitan Statistical Area. For routing purposes it sits in LATA 524. Numbers here keep Central time.

NANPA's central-office code records list AVID COMMUNICATIONS, LLC - KS (OCN 742D) as the code holder, assigned March 5, 2018. Because 913-521 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 913-521 is not proof the call came from Kansas City: 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 913-521
PrefixRate centerCode holder
913-513 McLouth ONVOY, LLC - KS
913-514 Kansas City SOUTHWESTERN BELL
913-515 Kansas City CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS
913-522 Kansas City CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS
913-523 Kansas City SOUTHWESTERN BELL
913-526 Kansas City AERIAL COMMUNICATIONS, INC.

FAQ

Where is 913-521 located?

The prefix is assigned to the Kansas City rate center in KS, area code 913. It is part of the Kansas City, MO-KS Metropolitan Statistical Area.

Which company owns 913-521 numbers?

AVID COMMUNICATIONS, LLC - KS 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 913-521 safe to answer?

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