Local Calling Guide
Area code/prefix search
NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]
NXX: 940
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
503-940 | A | Portland | OR | PTLDOR69X1X | 6630 USA MOBILITY WIRELESS, INC. | 672 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
Sponsored by: LES.NET
Like this site? We accept donations via PayPal.