Local Calling Guide
Area code/prefix search
NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]
NXX: 837
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
509-837 | A | Sunnyside | WA | SNSDWAXXDS0 | 4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA | 676 |
Last updated: Sun, 06 Oct 2024 02:51:32 UTC
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