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.
562-483-8789 is most strongly associated on phone.gd with Master Research in NORWALK, CT. Cached business and web listing signals on this site reinforce that match.
Carrier or assignee data points to FRONTIER CALIFORNIA INC. and the rate center is NORWALK (NORWALK, CT).
The rows below combine cached caller-intelligence data, NANPA assignment records, public business matches, and phone.gd lookup context.
| Label | Value |
|---|---|
| Input Number | 562-483-8789 |
| Phone Number | +15624838789 |
| National Format | (562) 483-8789 |
| Country Code | US |
| Caller Name | No public caller label found. |
| Caller Type | |
| Carrier Name | FRONTIER CALIFORNIA INC. |
| Phone Type | |
| Apple iMessage Status | Not Checked |
| Raw Number | 5624838789 |
| Basic Format | 562-483-8789 |
| NPA (Area Code) | 562 |
| NXX | 483 |
| Rate Center | NORWALK |
| Location | NORWALK, CT |
| OCN (Carrier Number) | 2319 |
| Call Type | Unknown Type |
| Number Assignment | Reserved for Toll-free |
| Search |  |
| state | CA |
| ocn | 2319 |
| company | FRONTIER CALIFORNIA INC. |
| rate_center | NORWALK |
| Location | NORWALK, CT |
| use_type | AS |
| pooled_code | Y |
| in_service | Yes |
| region | WC |
| state | CA |
| status | RT |
| rate_center | NORWALK |
| Location | NORWALK, CT |
| assigned_to | FRONTIER CALIFORNIA INC. |
| ocn | 2319 |
| Master Research Call: (562) 483-8789. Home · About Us · Awards / Certifications · Career Opportunities · Facilities · Our Clients · Capabilities · Quality · ISO & ... |
| Contact Us - Master Research & Manufacturing Inc Call: (562) 483-8789. Home · About Us · Awards / Certifications · Career Opportunities · Facilities · Our Clients · Capabilities · Quality · ISO & ... |
| Bold | 𝟓𝟔𝟐-𝟒𝟖𝟑-𝟖𝟕𝟖𝟗 [click to copy] |
| Full-Width | ５６２-４８３-８７８９ [click to copy] |
| Superscript | ⁵⁶²-⁴⁸³-⁸⁷⁸⁹ [click to copy] |
| Subscript | ₅₆₂-₄₈₃-₈₇₈₉ [click to copy] |
| Enclosed Alphanumerics | ⑤⑥②-④⑧③-⑧⑦⑧⑨ [click to copy] |
| Mathematical Bold | 𝟱𝟲𝟮-𝟰𝟴𝟯-𝟴𝟳𝟴𝟵 [click to copy] |
| Mathematical Italic | 𝟧𝟨𝟤-𝟦𝟪𝟥-𝟪𝟩𝟪𝟫 [click to copy] |
| Mathematical Sans-Serif | 𝟻𝟼𝟸-𝟺𝟾𝟹-𝟾𝟽𝟾𝟿 [click to copy] |
| Emoji | 5️⃣6️⃣2️⃣-4️⃣8️⃣3️⃣-8️⃣7️⃣8️⃣9️⃣ [click to copy] |
| Spelled Out | five six two - four eight three - eight seven eight nine [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
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
Choose the option that best matches this phone number.
Step 2
The FCC and carrier advice changes slightly for calls versus texts.
Step 3
This helps decide whether the FTC should be part of the next step.
Step 4
Carrier tools help get the number flagged or blocked inside that network.
Master Research
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.
Latest community reports for 562-483-8789