231-312 NPA-NXX Lookup, Routing, and Complaint Signals

You are reviewing the Area Code (NPA/NXX) report for 231-312. Did you mean to search the SMS short code 231312?

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	State
231-312-XXXX	817J	TELNET WORLDWIDE, INC.	FRANKFORT	AS	MI

Reports

Anonymous User from Ravenna, Michigan

December 11, 2025 at 4:45 PM

231-312-9718 reported as a unwanted call. Received on December 11, 2025 at 4:42 PM.
Call for No Subject Provided

Anonymous User from Ravenna, Michigan

December 11, 2025 at 1:56 PM

231-312-2805 reported as a unwanted call. Received on December 11, 2025 at 1:54 PM.
Call for No Subject Provided

Anonymous User from Ravenna, Michigan

December 11, 2025 at 1:40 PM

231-312-2167 reported as a unwanted call. Received on December 11, 2025 at 1:38 PM.
Call for No Subject Provided

Anonymous User from Norton Shores, Michigan

December 1, 2025 at 7:37 PM

231-312-4858 reported as a Robocall. Received on December 1, 2025 at 6:15 PM.

Anonymous User from Norton Shores, Michigan

January 5, 2024 at 1:29 PM

2313122428724 reported as a Robocall. Received on January 5, 2024 at 1:18 PM.
Call for Medical & prescriptions

Anonymous User from Morristown, NJ

June 27, 2022 at 7:52 PM

231-312-3850 reported as a Prerecorded Voice. Received on June 27, 2022 at 3:19 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Raw Number	231312
Basic Format	231-312
NPA (Area Code)	231
NXX	312

231-312

Search a phone number, area code, exchange, or short code

Call Routing Data

Reports

Most 'popular' numbers on this prefix: