Local Calling Guide
Area code/prefix search
NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]
NXX: 634
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
503-634 | A | Monitor | OR | MNTRORXARS0 | 2384 MONITOR COOP. TEL. CO. | 672 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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