Local Calling Guide
Area code/prefix search
Washington Zone 13, MD
NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|
301-953 | 4 | WASHDCSWMMD | 624H ONVOY SPECTRUM, LLC | 236 | 2021-11-08 | ||
301-953 | 5 | WASHDCSWMMD | 624H ONVOY SPECTRUM, LLC | 236 | 2021-11-08 | ||
301-953 | 7 | LARLMDLRDS0 | 9212 VERIZON MARYLAND, INC. | 236 | |||
301-953 | 8 | LARLMDLRDS0 | 9212 VERIZON MARYLAND, INC. | 236 | |||
301-953 | 9 | LARLMDLRDS0 | 9212 VERIZON MARYLAND, INC. | 236 | |||
301-982 | A | CLPKMDBWDS0 | 9212 VERIZON MARYLAND, INC. | 236 | |||
301-993 | A | CLPKMDBWDS0 | 9212 VERIZON MARYLAND, INC. | 236 |
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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