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.
Server-rendered context for this exact phone page based on public records, reports, search interest, and routing data already stored on phone.gd.
231-721-7105 does not currently have a confirmed public business label on phone.gd, but it remains an active research target because complaint records, anonymous reports, or verified on-site searches continue to surface it.
Current page signals include 1 public complaint record.
Carrier or assignee data points to CENTURYLINK COMMUNICATIONS, LLC and the rate center is HART (HART, MI).
The rows below combine cached caller-intelligence data, NANPA assignment records, public business matches, and phone.gd lookup context.
| Label | Value |
|---|---|
| Input Number | 231-721-7105 |
| Phone Number | +12317217105 |
| National Format | (231) 721-7105 |
| Country Code | US |
| Caller Name | No public caller label found. |
| Caller Type | |
| Carrier Name | CENTURYLINK COMMUNICATIONS, LLC |
| Phone Type | |
| Apple iMessage Status | Not Checked |
| Raw Number | 2317217105 |
| Basic Format | 231-721-7105 |
| NPA (Area Code) | 231 |
| NXX | 721 |
| Rate Center | HART |
| Location | HART, MI |
| OCN (Carrier Number) | 508J |
| Call Type | Unknown Type |
| Number Assignment | Assigned |
| Search |
 |
| state | MI |
| ocn | 2550 |
| company | 123.NET, LLC |
| rate_center | HART |
| Location | HART, MI |
| use_type | AS |
| assign_date | 08/27/2002 |
| initial_growth | I |
| pooled_code | Y |
| in_service | Yes |
| region | MW |
| state | MI |
| status | AS |
| rate_center | HART |
| Location | HART, MI |
| block_effective_date | 10/04/2017 |
| assigned_to | CENTURYLINK COMMUNICATIONS, LLC |
| ocn | 508J |
| date_assigned | 08/30/2017 |
| Bold | 𝟐𝟑𝟏-𝟕𝟐𝟏-𝟕𝟏𝟎𝟓 [click to copy] |
| Full-Width | ２３１-７２１-７１０５ [click to copy] |
| Superscript | ²³¹-⁷²¹-⁷¹⁰⁵ [click to copy] |
| Subscript | ₂₃₁-₇₂₁-₇₁₀₅ [click to copy] |
| Enclosed Alphanumerics | ②③①-⑦②①-⑦①⓪⑤ [click to copy] |
| Mathematical Bold | 𝟮𝟯𝟭-𝟳𝟮𝟭-𝟳𝟭𝟬𝟱 [click to copy] |
| Mathematical Italic | 𝟤𝟥𝟣-𝟩𝟤𝟣-𝟩𝟣𝟢𝟧 [click to copy] |
| Mathematical Sans-Serif | 𝟸𝟹𝟷-𝟽𝟸𝟷-𝟽𝟷𝟶𝟻 [click to copy] |
| Emoji | 2️⃣3️⃣1️⃣-7️⃣2️⃣1️⃣-7️⃣1️⃣0️⃣5️⃣ [click to copy] |
| Spelled Out | two three one - seven two one - seven one zero five [click to copy] |
Using these number formats when publishing your phone number online can help reduce spam calls/texts by making it harder for scammers to copy your number
Submit an anonymous report
Choose the report type that best matches this number, then optionally add a short note about what happened. Your city and state may be shown publicly, but your IP address is not displayed on the page.
Report a spam or fraud caller
Answer a few quick questions and this page will point you to the right official complaint flow, plus carrier-specific reporting options where available.
Step 1
What happened?
Choose the option that best matches this phone number.
Step 2
How did it reach you?
The FCC and carrier advice changes slightly for calls versus texts.
Step 3
Did they ask for money or sensitive information?
This helps decide whether the FTC should be part of the next step.
Step 4
Which carrier do you use?
Carrier tools help get the number flagged or blocked inside that network.
Latest community reports for 231-721-7105
Anonymous User from Manton Mi, Michigan
February 26, 2026 at 4:08 PM