Prefix 913-331 — Kansas City, KS

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

Numbers in the 913-331 prefix are registered to the Kansas City rate center in KS, inside area code 913. The prefix is the second block of a ten-digit US number (913-331-XXXX) and pins the number to a billing locality.

Code-holder of record: MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS (OCN 7593), assigned December 10, 2014. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 913-331 numbers may be served by different companies.

The rate center lies in the Kansas City, MO-KS Metropolitan Statistical Area. The serving LATA is 524. Local time follows the Central zone.

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

Neighboring prefixes

FAQ

Where is 913-331 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 913-331 numbers?

MCIMETRO ACCESS TRANSMISSION SERVICES 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 913-331 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.