Sparks Glencoe, MD — rate center
- State
- Maryland
- Active prefixes
- 7
- Carriers
- 4
- Pooled prefixes
- 7
- LATA
- 238
- Metro area
- Baltimore-Columbia-Towson, MD MSA
Sparks Glencoe is a telephone rate center in Maryland served by area codes 410, 443, 667. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.
The rate center currently carries 7 working prefixes, held by 4 different carriers. Pooling applies to 7 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 Sparks Glencoe numbers can look completely different while being neighbors — check the prefix, not just the area code.
A Sparks Glencoe 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 Sparks Glencoe
| Prefix | Code holder | Pooled |
|---|---|---|
| 410-343 | VERIZON MARYLAND, INC. | Yes |
| 410-472 | VERIZON MARYLAND, INC. | Yes |
FAQ
What area code is Sparks Glencoe, MD?
Sparks Glencoe is served by 3 area codes — 410, 443, 667 — which overlay the same territory.
How many prefixes does Sparks Glencoe have?
7 active NXX prefixes are anchored to this rate center in NANPA records, held by 4 carriers.
Is a call from a Sparks Glencoe prefix really from Sparks Glencoe?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.