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.
231-377-9111 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 FRONTIER NORTH, INC. - MI and the rate center is CLAM RIVER (CLAM RIVER, MI).
The rows below combine cached caller-intelligence data, NANPA assignment records, public business matches, and phone.gd lookup context.
| Label | Value |
|---|---|
| Input Number | 231-377-9111 |
| Phone Number | +12313779111 |
| National Format | (231) 377-9111 |
| Country Code | US |
| Caller Name | No public caller label found. |
| Caller Type | |
| Carrier Name | FRONTIER NORTH, INC. - MI |
| Phone Type | |
| Apple iMessage Status | Not Registered |
| Raw Number | 2313779111 |
| Basic Format | 231-377-9111 |
| NPA (Area Code) | 231 |
| NXX | 377 |
| Rate Center | CLAM RIVER |
| Location | CLAM RIVER, MI |
| OCN (Carrier Number) | 0695 |
| Call Type | Unknown Type |
| Number Assignment | Reserved for Toll-free |
| Search |  |
| state | MI |
| ocn | 0695 |
| company | FRONTIER NORTH, INC. - MI |
| rate_center | CLAM RIVER |
| Location | CLAM RIVER, MI |
| use_type | AS |
| pooled_code | Y |
| in_service | Yes |
| region | MW |
| state | MI |
| status | RT |
| rate_center | CLAM RIVER |
| Location | CLAM RIVER, MI |
| assigned_to | FRONTIER NORTH, INC. - MI |
| ocn | 0695 |
| Bold | 𝟐𝟑𝟏-𝟑𝟕𝟕-𝟗𝟏𝟏𝟏 [click to copy] |
| Full-Width | ２３１-３７７-９１１１ [click to copy] |
| Superscript | ²³¹-³⁷⁷-⁹¹¹¹ [click to copy] |
| Subscript | ₂₃₁-₃₇₇-₉₁₁₁ [click to copy] |
| Enclosed Alphanumerics | ②③①-③⑦⑦-⑨①①① [click to copy] |
| Mathematical Bold | 𝟮𝟯𝟭-𝟯𝟳𝟳-𝟵𝟭𝟭𝟭 [click to copy] |
| Mathematical Italic | 𝟤𝟥𝟣-𝟥𝟩𝟩-𝟫𝟣𝟣𝟣 [click to copy] |
| Mathematical Sans-Serif | 𝟸𝟹𝟷-𝟹𝟽𝟽-𝟿𝟷𝟷𝟷 [click to copy] |
| Emoji | 2️⃣3️⃣1️⃣-3️⃣7️⃣7️⃣-9️⃣1️⃣1️⃣1️⃣ [click to copy] |
| Spelled Out | two three one - three seven seven - nine one one one [click to copy] |
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Latest community reports for 231-377-9111
Anonymous User from Kalkaska, Michigan
June 23, 2026 at 12:37 PM