Marion, MD — rate center
Marion is a telephone rate center in Maryland served by area codes 410, 667. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.
2 central-office prefixes are currently anchored to this rate center, held by 2 different carriers. Pooling applies to 2 of them — individual thousands-blocks may belong to different companies.
Routing-wise it sits in LATA 242.
Because 410, 667 all serve this territory, two Marion numbers can look completely different while being neighbors — check the prefix, not just the area code.
Marion is a small rate center: 2 prefixes across 2 carriers serve it. Small localities like this often keep the same blocks for decades, so the prefix-to-place mapping tends to be stable.
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 Marion
| Prefix | Code holder | Pooled |
|---|---|---|
| 410-623 | VERIZON MARYLAND, INC. | Yes |
FAQ
What area code is Marion, MD?
Marion is served by 2 area codes — 410, 667 — which overlay the same territory.
How many prefixes does Marion have?
2 active NXX prefixes are anchored to this rate center in NANPA records, held by 2 carriers.
Is a call from a Marion prefix really from Marion?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.