Cockeysville, MD — rate center
- State
- Maryland
- Active prefixes
- 32
- Carriers
- 11
- Pooled prefixes
- 24
- LATA
- 238
- Metro area
- Baltimore-Columbia-Towson, MD MSA
Phone numbers "from Cockeysville" are, precisely speaking, numbers whose prefixes are anchored to the Cockeysville rate center of Maryland, under 410, 443, 667.
32 central-office prefixes are currently anchored to this rate center across 11 carriers. 24 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area. Routing-wise it sits in LATA 238.
Multiple area codes over one rate center (410/443/667) is the overlay pattern: same geography, different first three digits.
Treat this data as geography of the number, not of the caller: porting, VoIP and caller-ID spoofing all detach the two. When a call matters, hang up and call back through an official number.
Prefixes anchored to Cockeysville
| Prefix | Code holder | Pooled |
|---|---|---|
| 410-229 | VERIZON MARYLAND, INC. | No |
| 410-316 | VERIZON MARYLAND, INC. | Yes |
| 410-329 | VERIZON MARYLAND, INC. | Yes |
| 410-403 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | Yes |
| 410-498 | PAETEC ITEL, LLC | Yes |
| 410-527 | VERIZON MARYLAND, INC. | No |
| 410-568 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | Yes |
| 410-584 | VERIZON MARYLAND, INC. | Yes |
| 410-628 | VERIZON MARYLAND, INC. | Yes |
| 410-666 | VERIZON MARYLAND, INC. | No |
| 410-667 | VERIZON MARYLAND, INC. | No |
| 410-683 | VERIZON MARYLAND, INC. | Yes |
| 410-771 | VERIZON MARYLAND, INC. | No |
| 410-773 | VERIZON MARYLAND, INC. | Yes |
| 410-785 | VERIZON MARYLAND, INC. | No |
| 410-891 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | Yes |
FAQ
What area code is Cockeysville, MD?
Cockeysville is served by 3 area codes — 410, 443, 667 — which overlay the same territory.
How many prefixes does Cockeysville have?
32 active NXX prefixes are anchored to this rate center in NANPA records, held by 11 carriers.
Is a call from a Cockeysville prefix really from Cockeysville?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.