Local Calling Guide
Area code/prefix search
Washington Zone 13, MD
NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|
301-993 | A | CLPKMDBWDS0 | 9212 VERIZON MARYLAND, INC. | 236 |
Last updated: Mon, 15 Sep 2025 02:24:40 UTC
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