Armiger-gibson Island, MD — rate center
- State
- Maryland
- Active prefixes
- 17
- Carriers
- 9
- Pooled prefixes
- 13
- LATA
- 238
- Metro area
- Baltimore-Columbia-Towson, MD MSA
In NANP numbering, Armiger-gibson Island, Maryland is a rate center — the anchor point for local numbers. It is reached through 410, 443, 667 (multiple area codes serve it).
17 central-office prefixes are currently anchored to this rate center, held by 9 different carriers. Pooling applies to 13 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 Armiger-gibson Island numbers can look completely different while being neighbors — check the prefix, not just the area code.
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 Armiger-gibson Island
| Prefix | Code holder | Pooled |
|---|---|---|
| 410-255 | VERIZON MARYLAND, INC. | No |
| 410-317 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | Yes |
| 410-360 | VERIZON MARYLAND, INC. | No |
| 410-437 | VERIZON MARYLAND, INC. | No |
| 410-439 | VERIZON MARYLAND, INC. | No |
FAQ
What area code is Armiger-gibson Island, MD?
Armiger-gibson Island is served by 3 area codes — 410, 443, 667 — which overlay the same territory.
How many prefixes does Armiger-gibson Island have?
17 active NXX prefixes are anchored to this rate center in NANPA records, held by 9 carriers.
Is a call from a Armiger-gibson Island prefix really from Armiger-gibson Island?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.