Prefix 410-200 — Easton, MD

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

The 410-200 prefix belongs to area code 410 and is anchored to the Easton rate center (MD). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

For routing purposes it sits in LATA 242. Numbers here keep Eastern time.

Code-holder of record: MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (OCN 7228), assigned May 27, 2004. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 410-200 numbers may be served by different companies.

Caller ID showing 410-200 is not proof the call came from Easton: 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

FAQ

Where is 410-200 located?

The prefix is assigned to the Easton rate center in MD, area code 410.

Which company owns 410-200 numbers?

MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 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 410-200 safe to answer?

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