Prefix 206-590 — Seattle, WA

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

Area code
206
Prefix (NXX)
590
Rate center
Seattle
State
Washington
Time zone
Pacific
Code holder
BANDWIDTH.COM CLEC, LLC - WA
OCN
006F
Pooled
Yes (thousands-block pooling)
Assigned
2020-08-20
LATA
674

Numbers in the 206-590 prefix are registered to the Seattle rate center in WA, inside area code 206. The prefix is the second block of a ten-digit US number (206-590-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list BANDWIDTH.COM CLEC, LLC - WA (OCN 006F) as the code holder, assigned August 20, 2020. Because 206-590 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 Seattle-Tacoma-Bellevue, WA Metropolitan Statistical Area. The serving LATA is 674. Local time follows the Pacific zone.

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

Neighboring prefixes

Prefixes adjacent to 206-590
PrefixRate centerCode holder
206-587 Seattle QWEST CORPORATION
206-588 Seattle COMCAST IP PHONE, LLC
206-589 Richmond Beach ONVOY, LLC - WA
206-591 Bainbridge Island T-MOBILE USA, INC.
206-592 Des Moines QWEST CORPORATION
206-593 Seattle CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA

FAQ

Where is 206-590 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 206-590 numbers?

BANDWIDTH.COM CLEC, LLC - WA 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 206-590 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.