Prefix 401-644 — Providence, RI
- Area code
- 401
- Prefix (NXX)
- 644
- Rate center
- Providence
- State
- Rhode Island
- Time zone
- Eastern
- Code holder
- CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI
- OCN
- 6389
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2006-10-17
- LATA
- 130
The 401-644 prefix belongs to area code 401 and is anchored to the Providence rate center (RI). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Providence is part of the Providence-Warwick, RI-MA Metropolitan Statistical Area. For routing purposes it sits in LATA 130. Numbers here keep Eastern time.
The assigned code holder is CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI, operating company number 6389, assigned October 17, 2006. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Caller ID showing 401-644 is not proof the call came from Providence: 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 |
|---|---|---|
| 401-641 | Providence | METROPCS, INC. |
| 401-642 | Pawtucket | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 401-643 | Portsmouth | PAETEC ITEL, LLC |
| 401-645 | Hope Valley | TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
| 401-646 | Hope Valley | LEVEL 3 COMMUNICATIONS, LLC - RI |
| 401-647 | Scituate | VERIZON NEW ENGLAND INC. |
FAQ
Where is 401-644 located?
The prefix is assigned to the Providence rate center in RI, area code 401. It is part of the Providence-Warwick, RI-MA Metropolitan Statistical Area.
Which company owns 401-644 numbers?
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 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 401-644 safe to answer?
The prefix itself says nothing about the caller. Legitimate Providence businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.