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Server-rendered context for this exact phone page based on public records, reports, search interest, and routing data already stored on phone.gd.
301-261-7481 is most strongly associated on phone.gd with Guardian Plumbing Services, Inc. in WASHINGTON 238 ZONE 14, MD.
Carrier or assignee data points to VERIZON MARYLAND, INC. and the rate center is WSNG238Z14 (WASHINGTON 238 ZONE 14, MD).
The rows below combine cached caller-intelligence data, NANPA assignment records, public business matches, and phone.gd lookup context.
| Label | Value |
|---|---|
| Input Number | 301-261-7481 |
| Phone Number | +13012617481 |
| National Format | (301) 261-7481 |
| Country Code | US |
| Caller Name | GUARDIAN PLUMBING SERVICES, INC. GUARDIAN PLUMBING SERVICES INC GEORGE W UPPERMAN JR |
| Caller Type | |
| Carrier Name | VERIZON MARYLAND, INC. |
| Phone Type | |
| Apple iMessage Status | Not Registered |
| Raw Number | 3012617481 |
| Basic Format | 301-261-7481 |
| NPA (Area Code) | 301 |
| NXX | 261 |
| Rate Center | WSNG238Z14 |
| Location | WASHINGTON 238 ZONE 14, MD |
| SMS/MMS Email Gateways | 3012617481@vtext.com 3012617481@vtext.com SMS/MMS gateways may be invalid (i.e. the number has been ported or purchased by another carrier) |
| OCN (Carrier Number) | 9212 |
| Call Type | Unknown Type |
| Number Assignment | Assigned |
| Search |
 |
These stored listings match the exact phone number, which helps reinforce any named caller identity shown above.
| Source | Name | Detail |
|---|---|---|
| Business profile | Guardian Plumbing Services, Inc. | Guardian Plumbing Services, Inc. |
Stored business records list this exact phone number.
| Name | Category | Address | Contact |
|---|---|---|---|
| GUARDIAN PLUMBING SERVICES INC | Motor carrier | 2315 B FOREST DRIVE ANNAPOLIS MD 21401 | 301-261-7481 |
| GUARDIAN PLUMBING SERVICES INC | Motor carrier - Fax | 2315 B FOREST DRIVE ANNAPOLIS MD 21401 | 301-261-7481 |
| state | MD |
| ocn | 9212 |
| company | VERIZON MARYLAND, INC. |
| rate_center | WSNG238Z14 |
| Location | WASHINGTON 238 ZONE 14, MD |
| use_type | AS |
| pooled_code | N |
| in_service | Yes |
Synced commercial carrier and manufacturer records for this number. Last sync: 2026-06-01 06:57:03 UTC. View all matching records on dot.report.
| Company | Record | Address | Contact | Links |
|---|---|---|---|---|
| GEORGE W UPPERMAN JR DBA: GUARDIAN PLUMBING SERVICES INC | FMCSA carrier Matched on phone | 2315 B FOREST DRIVE, ANNAPOLIS, MD, 21401, US | Phone: (301) 261-7481 Fax: (301) 261-7481 | USDOT 1080507 Record Phone page |
| Bold | 𝟑𝟎𝟏-𝟐𝟔𝟏-𝟕𝟒𝟖𝟏 [click to copy] |
| Full-Width | ３０１-２６１-７４８１ [click to copy] |
| Superscript | ³⁰¹-²⁶¹-⁷⁴⁸¹ [click to copy] |
| Subscript | ₃₀₁-₂₆₁-₇₄₈₁ [click to copy] |
| Enclosed Alphanumerics | ③⓪①-②⑥①-⑦④⑧① [click to copy] |
| Mathematical Bold | 𝟯𝟬𝟭-𝟮𝟲𝟭-𝟳𝟰𝟴𝟭 [click to copy] |
| Mathematical Italic | 𝟥𝟢𝟣-𝟤𝟨𝟣-𝟩𝟦𝟪𝟣 [click to copy] |
| Mathematical Sans-Serif | 𝟹𝟶𝟷-𝟸𝟼𝟷-𝟽𝟺𝟾𝟷 [click to copy] |
| Emoji | 3️⃣0️⃣1️⃣-2️⃣6️⃣1️⃣-7️⃣4️⃣8️⃣1️⃣ [click to copy] |
| Spelled Out | three zero one - two six one - seven four eight one [click to copy] |
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