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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.
301-944-6600 currently has limited public identity data on phone.gd. The page still provides exact-number routing, carrier, and line-type context even when named business or complaint evidence is light.
Carrier or assignee data points to MCIMETRO ACCESS TRANSMISSION SERVICES LLC and the rate center is GAITHERSBG (GAITHERSBURG, MD).
The rows below combine cached caller-intelligence data, NANPA assignment records, public business matches, and phone.gd lookup context.
| Label | Value |
|---|---|
| Input Number | 301-944-6600 |
| Phone Number | +13019446600 |
| National Format | (301) 944-6600 |
| Country Code | US |
| Caller Name | MIDDLEBROOK PHARMACEUTICALS, INC. ANDERSON DONALD C BRUNO JAMES BUCHWALD DARREN BURNSIDE BETH A CLAUSEN SUSAN P GUTTENDORF ROBERT ISBISTER JAMES D KOOS FRANK KUDLA DAVID J MILLER TIMOTHY L ROWLINGS COLIN E RUDNIC EDWARD M SHALLCROSS STEVEN A SLY KEVIN S WALTERSPIEL JUAN N WASSINK SANDRA E |
| Caller Type | |
| Carrier Name | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| Phone Type | |
| Apple iMessage Status | Not Registered |
| Raw Number | 3019446600 |
| Basic Format | 301-944-6600 |
| NPA (Area Code) | 301 |
| NXX | 944 |
| Rate Center | GAITHERSBG |
| Location | GAITHERSBURG, MD |
| SMS/MMS Email Gateways | 3019446600@pagemci.com 3019446600@pagemci.com SMS/MMS gateways may be invalid (i.e. the number has been ported or purchased by another carrier) |
| OCN (Carrier Number) | 7229 |
| Call Type | Unknown Type |
| Number Assignment | Reserved for Toll-free |
| Search |
 |
These stored listings match the exact phone number, which helps reinforce any named caller identity shown above.
| Source | Name | Detail |
|---|---|---|
| SEC company registration | MiddleBrook Pharmaceuticals, Inc. | Pharmaceutical Preparations · 20425 SENECA MEADOWS PARKWAY GERMANTOWN MD 20878 US |
| SEC company registration | Anderson Donald C | |
| SEC company registration | Bruno James | |
| SEC company registration | BUCHWALD DARREN | |
| SEC company registration | BURNSIDE BETH A | |
| SEC company registration | Clausen Susan P | |
| SEC company registration | GUTTENDORF ROBERT | |
| SEC company registration | ISBISTER JAMES D | 20425 SENECA MEADOWS PARKWAY GERMANTOWN MD 20876 US |
| SEC company registration | Koos Frank | |
| SEC company registration | Kudla David J | |
| SEC company registration | Miller Timothy L | |
| SEC company registration | ROWLINGS COLIN E | |
| SEC company registration | RUDNIC EDWARD M | |
| SEC company registration | SHALLCROSS STEVEN A | C/O ELYS GAME TECHNOLOGY CORP. 130 ADELAIDE STREET WEST, SUITE 701 TORONTO Ontario, Canada |
| SEC company registration | SLY KEVIN S | |
| SEC company registration | WALTERSPIEL JUAN N | 20425 SENECA MEADOWS PARKWAY GERMANTOWN MD 20876 US |
| SEC company registration | WASSINK SANDRA E |
These public EDGAR submission profiles list this exact phone number for a registered company. This number appears on 17 entities, so it may be a shared corporate, agent, or filing contact number.
| Company | Identifiers | Industry | Business Address |
|---|---|---|---|
| MiddleBrook Pharmaceuticals, Inc. | CIK 0001161924 | Pharmaceutical Preparations | 20425 SENECA MEADOWS PARKWAY GERMANTOWN MD 20878 US |
| Anderson Donald C | CIK 0001304189 | other | |
| Bruno James | CIK 0001296548 | other | |
| BUCHWALD DARREN | CIK 0001263497 | other | |
| BURNSIDE BETH A | CIK 0001263493 | other | |
| Clausen Susan P | CIK 0001311080 | other | |
| GUTTENDORF ROBERT | CIK 0001263489 | other | |
| ISBISTER JAMES D | CIK 0001263485 | other | 20425 SENECA MEADOWS PARKWAY GERMANTOWN MD 20876 US |
| Koos Frank | CIK 0001449485 | other | |
| Kudla David J | CIK 0001292839 | other | |
| Miller Timothy L | CIK 0001444443 | other | |
| ROWLINGS COLIN E | CIK 0001263487 | other | |
| RUDNIC EDWARD M | CIK 0001263483 | other | |
| SHALLCROSS STEVEN A | CIK 0001263501 | other | C/O ELYS GAME TECHNOLOGY CORP. 130 ADELAIDE STREET WEST, SUITE 701 TORONTO Ontario, Canada |
| SLY KEVIN S | CIK 0001263486 | other | |
| WALTERSPIEL JUAN N | CIK 0001263495 | other | 20425 SENECA MEADOWS PARKWAY GERMANTOWN MD 20876 US |
| WASSINK SANDRA E | CIK 0001263491 | other |
| state | MD |
| ocn | 7229 |
| company | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| rate_center | GAITHERSBG |
| Location | GAITHERSBURG, MD |
| use_type | AS |
| pooled_code | Y |
| in_service | Yes |
| region | MA |
| state | MD |
| status | RT |
| rate_center | GAITHERSBG |
| Location | GAITHERSBURG, MD |
| assigned_to | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| ocn | 7229 |
| region | MA |
| state | MD |
| status | RT |
| rate_center | GAITHERSBG |
| Location | GAITHERSBURG, MD |
| assigned_to | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| ocn | 7229 |
| region | MA |
| state | MD |
| status | RT |
| rate_center | GAITHERSBG |
| Location | GAITHERSBURG, MD |
| assigned_to | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| ocn | 7229 |
| Bold | 𝟑𝟎𝟏-𝟗𝟒𝟒-𝟔𝟔𝟎𝟎 [click to copy] |
| Full-Width | ３０１-９４４-６６００ [click to copy] |
| Superscript | ³⁰¹-⁹⁴⁴-⁶⁶⁰⁰ [click to copy] |
| Subscript | ₃₀₁-₉₄₄-₆₆₀₀ [click to copy] |
| Enclosed Alphanumerics | ③⓪①-⑨④④-⑥⑥⓪⓪ [click to copy] |
| Mathematical Bold | 𝟯𝟬𝟭-𝟵𝟰𝟰-𝟲𝟲𝟬𝟬 [click to copy] |
| Mathematical Italic | 𝟥𝟢𝟣-𝟫𝟦𝟦-𝟨𝟨𝟢𝟢 [click to copy] |
| Mathematical Sans-Serif | 𝟹𝟶𝟷-𝟿𝟺𝟺-𝟼𝟼𝟶𝟶 [click to copy] |
| Emoji | 3️⃣0️⃣1️⃣-9️⃣4️⃣4️⃣-6️⃣6️⃣0️⃣0️⃣ [click to copy] |
| Spelled Out | three zero one - nine four four - six six zero zero [click to copy] |
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