West River, MD — rate center
- State
- Maryland
- Active prefixes
- 10
- Carriers
- 5
- Pooled prefixes
- 8
- LATA
- 238
- Metro area
- Baltimore-Columbia-Towson, MD MSA
In NANP numbering, West River, Maryland is a rate center — the anchor point for local numbers. It is reached through 410, 443, 667 (multiple area codes serve it).
The rate center currently carries 10 working prefixes, held by 5 different carriers. Pooling applies to 8 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area. Routing-wise it sits in LATA 238.
Because 410, 443, 667 all serve this territory, two West River numbers can look completely different while being neighbors — check the prefix, not just the area code.
A West River prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to West River
| Prefix | Code holder | Pooled |
|---|---|---|
| 410-741 | VERIZON MARYLAND, INC. | Yes |
| 410-798 | VERIZON MARYLAND, INC. | No |
| 410-867 | VERIZON MARYLAND, INC. | Yes |
FAQ
What area code is West River, MD?
West River is served by 3 area codes — 410, 443, 667 — which overlay the same territory.
How many prefixes does West River have?
10 active NXX prefixes are anchored to this rate center in NANPA records, held by 5 carriers.
Is a call from a West River prefix really from West River?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.