Prefix 206-630 — Seattle, WA

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

Area code
206
Prefix (NXX)
630
Rate center
Seattle
State
Washington
Time zone
Pacific
Code holder
QWEST CORPORATION
OCN
9638
Pooled
Yes (thousands-block pooling)
Assigned
2015-08-20
LATA
674

The 206-630 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 QWEST CORPORATION, operating company number 9638, assigned August 20, 2015. 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 206-630 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 206-630
PrefixRate centerCode holder
206-627 Des Moines NEW CINGULAR WIRELESS PCS, LLC
206-628 Seattle QWEST CORPORATION
206-629 Richmond Beach LEVEL 3 TELECOM OF WASHINGTON, LLC - WA
206-631 Seattle T-MOBILE USA, INC.
206-632 Seattle QWEST CORPORATION
206-633 Seattle QWEST CORPORATION

FAQ

Where is 206-630 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 206-630 numbers?

QWEST CORPORATION 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 206-630 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.