Prefix 202-604 — Washington Zone 1, DC

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

Area code
202
Prefix (NXX)
604
Rate center
Washington Zone 1
State
District of Columbia
Time zone
Eastern
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC
OCN
6402
Pooled
Yes (thousands-block pooling)
Assigned
2010-02-16
LATA
236

Numbers in the 202-604 prefix are registered to the Washington Zone 1 rate center in DC, inside area code 202. The prefix is the second block of a ten-digit US number (202-604-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC (OCN 6402) as the code holder, assigned February 16, 2010. Because 202-604 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

The rate center lies in the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area. The serving LATA is 236. Local time follows the Eastern zone.

Spoofing means this prefix on your screen doesn't guarantee a Washington Zone 1 caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 202-604
PrefixRate centerCode holder
202-601 Washington Zone 1 LEVEL 3 TELECOM OF D.C., LLC - DC
202-602 Washington Zone 1 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
202-603 Washington Zone 1 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC
202-605 Washington Zone 1 SPOK, INC.
202-606 Washington Zone 1 VERIZON WASHINGTON DC, INC.
202-607 Washington Zone 1 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC

FAQ

Where is 202-604 located?

The prefix is assigned to the Washington Zone 1 rate center in DC, area code 202. It is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area.

Which company owns 202-604 numbers?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 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 202-604 safe to answer?

The prefix itself says nothing about the caller. Legitimate Washington Zone 1 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.