Stevensville, MD — rate center

NANPA rate center & CO code data, current as of July 28, 2026.

State
Maryland
Area codes
410, 443, 667
Active prefixes
6
Carriers
4
Pooled prefixes
5
LATA
242
Metro area
Baltimore-Columbia-Towson, MD MSA

In NANP numbering, Stevensville, Maryland is a rate center — the anchor point for local numbers. It is reached through 410, 443, 667 (multiple area codes serve it).

NANPA records show 6 active prefixes here, held by 4 different carriers. Pooling applies to 5 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 242.

Because 410, 443, 667 all serve this territory, two Stevensville numbers can look completely different while being neighbors — check the prefix, not just the area code.

As always with US numbering: a prefix anchored to Stevensville tells you where the block was issued. The person calling may have ported the number, moved away, or be spoofing it entirely — verify callers through independently found contact details.

Prefixes anchored to Stevensville

Prefixes anchored to the Stevensville rate center
PrefixCode holderPooled
410-604 VERIZON MARYLAND, INC. Yes
410-643 VERIZON MARYLAND, INC. No

FAQ

What area code is Stevensville, MD?

Stevensville is served by 3 area codes — 410, 443, 667 — which overlay the same territory.

How many prefixes does Stevensville have?

6 active NXX prefixes are anchored to this rate center in NANPA records, held by 4 carriers.

Is a call from a Stevensville prefix really from Stevensville?

Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.