Local Calling Guide
Area code/prefix search
Switch: RKVLMDMRRS1
- Switch name: ROCKVILLE
- Switch type: 5ER
- Host: BTHSMDRPDS0
- See all switches at this location
NPA-NXX | BLOCK | Rate Centre | Region | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|
301-443 | A | Washington Zone 11 | MD | 9212 VERIZON MARYLAND, INC. | 236 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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