Prefix 206-454 — Seattle, WA

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

Area code
206
Prefix (NXX)
454
Rate center
Seattle
State
Washington
Time zone
Pacific
Code holder
ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM
OCN
7173
Pooled
Yes (thousands-block pooling)
Assigned
2012-02-08
LATA
674

The 206-454 prefix belongs to area code 206 and is anchored to the Seattle rate center (WA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Seattle is part of the Seattle-Tacoma-Bellevue, WA Metropolitan Statistical Area. For routing purposes it sits in LATA 674. Numbers here keep Pacific time.

The assigned code holder is ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM, operating company number 7173, assigned February 8, 2012. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Caller ID showing 206-454 is not proof the call came from Seattle: 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 206-454
PrefixRate centerCode holder
206-451 Bainbridge Island ONVOY, LLC - WA
206-452 Seattle LEVEL 3 COMMUNICATIONS, LLC - WA
206-453 Seattle T-MOBILE USA, INC.
206-455 Seattle LEVEL 3 COMMUNICATIONS, LLC - WA
206-456 Seattle LEVEL 3 COMMUNICATIONS, LLC - WA
206-457 Seattle NEW CINGULAR WIRELESS PCS, LLC

FAQ

Where is 206-454 located?

The prefix is assigned to the Seattle rate center in WA, area code 206. It is part of the Seattle-Tacoma-Bellevue, WA Metropolitan Statistical Area.

Which company owns 206-454 numbers?

ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 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 206-454 safe to answer?

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