Seven Mile, OH — rate center

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

State
Ohio
Area codes
283, 513
Active prefixes
9
Carriers
6
Pooled prefixes
9
LATA
922
Metro area
Cincinnati, OH-KY-IN MSA

The Seven Mile rate center (Ohio) anchors 9 active prefixes under area codes 283, 513. Rate centers, not city limits, are what phone numbers are legally tied to.

NANPA records show 9 active prefixes here across 6 carriers. 9 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.

The rate center belongs to the Cincinnati, OH-KY-IN Metropolitan Statistical Area. Routing-wise it sits in LATA 922.

Multiple area codes over one rate center (283/513) is the overlay pattern: same geography, different first three digits.

As always with US numbering: a prefix anchored to Seven Mile 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 Seven Mile

Prefixes anchored to the Seven Mile rate center
PrefixCode holderPooled
513-291 T-MOBILE USA, INC. Yes
513-299 LEVEL 3 COMMUNICATIONS, LLC - OH Yes
513-437 PAETEC ITEL, LLC Yes
513-610 T-MOBILE USA, INC. Yes
513-690 T-MOBILE USA, INC. Yes
513-726 CINCINNATI BELL Yes
513-957 T-MOBILE USA, INC. Yes
513-982 PEERLESS NETWORK OF OHIO, LLC - OH Yes

FAQ

What area code is Seven Mile, OH?

Seven Mile is served by 2 area codes — 283, 513 — which overlay the same territory.

How many prefixes does Seven Mile have?

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

Is a call from a Seven Mile prefix really from Seven Mile?

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