North East, MD — rate center

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

State
Maryland
Area codes
410, 443, 667
Active prefixes
8
Carriers
6
Pooled prefixes
7
LATA
238
Metro area
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA

The North East rate center (Maryland) anchors 8 active prefixes under area codes 410, 443, 667. Rate centers, not city limits, are what phone numbers are legally tied to.

NANPA records show 8 active prefixes here across 6 carriers. 7 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.

The rate center belongs to the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area. Routing-wise it sits in LATA 238.

Multiple area codes over one rate center (410/443/667) is the overlay pattern: same geography, different first three digits.

As always with US numbering: a prefix anchored to North East 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 North East

Prefixes anchored to the North East rate center
PrefixCode holderPooled
410-287 VERIZON MARYLAND, INC. No
410-656 ARMSTRONG TELECOMMUNICATIONS, INC. - MD Yes

FAQ

What area code is North East, MD?

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

How many prefixes does North East have?

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

Is a call from a North East prefix really from North East?

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