Local Calling Guide

Rate centre information

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name. Use official postal abbreviations for province/state/territory.

Black Diamond, WA [Prefix detail]

LATA: 674 SEATTLE WA

LIR:

V: 06397 H: 08844

ILEC: 9638 QWEST CORPORATION

NPA 360:

469 851 886 997

See all [Local Prefixes]

Local calling TO 4 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Auburn, WA     
Enumclaw, WA     
Kent, WA     
Maple Valley, WA     

Last updated: Sun, 17 May 2026 03:26:51 UTC

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