Sudlersville, MD — rate center

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

State
Maryland
Area codes
410, 667
Active prefixes
3
Carriers
3
Pooled prefixes
3
LATA
242
Metro area
Baltimore-Columbia-Towson, MD MSA

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

The rate center currently carries 3 working prefixes, held by 3 different carriers. Pooling applies to 3 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, 667 all serve this territory, two Sudlersville numbers can look completely different while being neighbors — check the prefix, not just the area code.

Sudlersville is a small rate center: 3 prefixes across 3 carriers serve it. Small localities like this often keep the same blocks for decades, so the prefix-to-place mapping tends to be stable.

A Sudlersville 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 Sudlersville

Prefixes anchored to the Sudlersville rate center
PrefixCode holderPooled
410-438 VERIZON MARYLAND, INC. Yes

FAQ

What area code is Sudlersville, MD?

Sudlersville is served by 2 area codes — 410, 667 — which overlay the same territory.

How many prefixes does Sudlersville have?

3 active NXX prefixes are anchored to this rate center in NANPA records, held by 3 carriers.

Is a call from a Sudlersville prefix really from Sudlersville?

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