Prefix 410-390 — Ocean City, MD
- Area code
- 410
- Prefix (NXX)
- 390
- Rate center
- Ocean City
- State
- Maryland
- Time zone
- Eastern
- Code holder
- TELEPORT COMMUNICATIONS AMERICA, LLC - MD
- OCN
- 7325
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2009-06-10
- LATA
- 242
The 410-390 prefix belongs to area code 410 and is anchored to the Ocean City rate center (MD). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
For routing purposes it sits in LATA 242. Numbers here keep Eastern time.
NANPA's central-office code records list TELEPORT COMMUNICATIONS AMERICA, LLC - MD (OCN 7325) as the code holder, assigned June 10, 2009. Because 410-390 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Caller ID showing 410-390 is not proof the call came from Ocean City: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 410-387 | Baltimore | PAETEC ITEL, LLC |
| 410-388 | Sparrows Point | VERIZON MARYLAND, INC. |
| 410-389 | Baltimore | SPOK, INC. |
| 410-391 | Essex | VERIZON MARYLAND, INC. |
| 410-392 | Elkton | VERIZON MARYLAND, INC. |
| 410-393 | Baltimore | VERIZON MARYLAND, INC. |
FAQ
Where is 410-390 located?
The prefix is assigned to the Ocean City rate center in MD, area code 410.
Which company owns 410-390 numbers?
TELEPORT COMMUNICATIONS AMERICA, LLC - MD holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 410-390 safe to answer?
The prefix itself says nothing about the caller. Legitimate Ocean City businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.