Prefix 704-288 — Monroe, NC

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

Area code
704
Prefix (NXX)
288
Rate center
Monroe
State
North Carolina
Time zone
Eastern
Code holder
LEVEL 3 COMMUNICATIONS, LLC - NC
OCN
3235
Pooled
Yes (thousands-block pooling)
Assigned
2001-05-17
LATA
422

The 704-288 prefix belongs to area code 704 and is anchored to the Monroe rate center (NC). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Monroe is part of the Charlotte-Concord-Gastonia, NC-SC Metropolitan Statistical Area. For routing purposes it sits in LATA 422. Numbers here keep Eastern time.

The assigned code holder is LEVEL 3 COMMUNICATIONS, LLC - NC, operating company number 3235, assigned May 17, 2001. 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 704-288 is not proof the call came from Monroe: 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

Prefixes adjacent to 704-288
PrefixRate centerCode holder
704-285 Charlotte ONVOY, LLC - NC
704-286 Cherryville ONVOY, LLC - NC
704-287 Charlotte SUNCOM DBA T-MOBILE USA
704-289 Monroe FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC
704-290 Monroe LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC
704-291 Monroe FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC

FAQ

Where is 704-288 located?

The prefix is assigned to the Monroe rate center in NC, area code 704. It is part of the Charlotte-Concord-Gastonia, NC-SC Metropolitan Statistical Area.

Which company owns 704-288 numbers?

LEVEL 3 COMMUNICATIONS, LLC - NC 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 704-288 safe to answer?

The prefix itself says nothing about the caller. Legitimate Monroe businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.