Prefix 401-256 — Providence, RI

NANPA CO code assignment, current as of July 28, 2026.

Area code
401
Prefix (NXX)
256
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
2006-12-19
LATA
130

Numbers in the 401-256 prefix are registered to the Providence rate center in RI, inside area code 401. The prefix is the second block of a ten-digit US number (401-256-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI (OCN 6389) as the code holder, assigned December 19, 2006. Because 401-256 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

The rate center lies in the Providence-Warwick, RI-MA Metropolitan Statistical Area. The serving LATA is 130. Local time follows the Eastern zone.

Spoofing means this prefix on your screen doesn't guarantee a Providence caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 401-256
PrefixRate centerCode holder
401-253 Bristol VERIZON NEW ENGLAND INC.
401-254 Bristol VERIZON NEW ENGLAND INC.
401-255 Providence OMNIPOINT MIAMI E LICENSE, LLC
401-257 Cumberland Hill PAETEC ITEL, LLC
401-258 Providence CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI
401-259 Providence VONAGE AMERICA LLC

FAQ

Where is 401-256 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 401-256 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 401-256 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.