Prefix 904-400 — Jacksonville, FL
- Area code
- 904
- Prefix (NXX)
- 400
- Rate center
- Jacksonville
- State
- Florida
- Time zone
- Eastern
- Code holder
- NEW CINGULAR WIRELESS PCS, LLC - GA
- OCN
- 6214
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2006-02-23
- LATA
- 452
The 904-400 prefix belongs to area code 904 and is anchored to the Jacksonville rate center (FL). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Jacksonville is part of the Jacksonville, FL Metropolitan Statistical Area. For routing purposes it sits in LATA 452. Numbers here keep Eastern time.
Code-holder of record: NEW CINGULAR WIRELESS PCS, LLC - GA (OCN 6214), assigned February 23, 2006. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 904-400 numbers may be served by different companies.
Caller ID showing 904-400 is not proof the call came from Jacksonville: 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 |
|---|---|---|
| 904-397 | Macclenny | COMCAST IP PHONE, LLC |
| 904-398 | Jacksonville | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 904-399 | Jacksonville | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 904-401 | Jacksonville | NEW CINGULAR WIRELESS PCS, LLC - GA |
| 904-402 | Jacksonville | NEW CINGULAR WIRELESS PCS, LLC - GA |
| 904-403 | Jacksonville | NEW CINGULAR WIRELESS PCS, LLC - GA |
FAQ
Where is 904-400 located?
The prefix is assigned to the Jacksonville rate center in FL, area code 904. It is part of the Jacksonville, FL Metropolitan Statistical Area.
Which company owns 904-400 numbers?
NEW CINGULAR WIRELESS PCS, LLC - GA 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 904-400 safe to answer?
The prefix itself says nothing about the caller. Legitimate Jacksonville businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.