Monroe, OH — rate center
Monroe is a telephone rate center in Ohio served by area code 513. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.
NANPA records show 6 active prefixes here, held by 6 different carriers. Pooling applies to 5 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the Cincinnati, OH-KY-IN Metropolitan Statistical Area. Routing-wise it sits in LATA 328.
As always with US numbering: a prefix anchored to Monroe 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 Monroe
| Prefix | Code holder | Pooled |
|---|---|---|
| 513-360 | CINCINNATI BELL EXTENDED TERRITORIES LLC - OH | Yes |
| 513-402 | PAETEC ITEL, LLC | Yes |
| 513-438 | LEVEL 3 COMMUNICATIONS, LLC - OH | Yes |
| 513-506 | PEERLESS NETWORK OF OHIO, LLC - OH | Yes |
| 513-539 | OHIO BELL TEL CO | No |
| 513-606 | ONVOY, LLC - OH | Yes |
FAQ
What area code is Monroe, OH?
Monroe numbers use area code 513.
How many prefixes does Monroe have?
6 active NXX prefixes are anchored to this rate center in NANPA records, held by 6 carriers.
Is a call from a Monroe prefix really from Monroe?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.