Prefix 704-320 — Monroe, NC

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

Area code
704
Prefix (NXX)
320
Rate center
Monroe
State
North Carolina
Time zone
Eastern
Code holder
SUNCOM DBA T-MOBILE USA
OCN
8645
Pooled
Yes (thousands-block pooling)
Assigned
2003-09-03
LATA
422

Numbers in the 704-320 prefix are registered to the Monroe rate center in NC, inside area code 704. The prefix is the second block of a ten-digit US number (704-320-XXXX) and pins the number to a billing locality.

Code-holder of record: SUNCOM DBA T-MOBILE USA (OCN 8645), assigned September 3, 2003. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 704-320 numbers may be served by different companies.

The rate center lies in the Charlotte-Concord-Gastonia, NC-SC Metropolitan Statistical Area. The serving LATA is 422. Local time follows the Eastern zone.

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

Neighboring prefixes

Prefixes adjacent to 704-320
PrefixRate centerCode holder
704-317 Charlotte BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
704-318 Monroe NEW CINGULAR WIRELESS PCS, LLC - GA
704-319 Charlotte PAETEC ITEL, LLC
704-321 Matthews WINDSTREAM NORTH CAROLINA, INC.
704-322 Albemarle NEW CINGULAR WIRELESS PCS, LLC - GA
704-323 Charlotte LEVEL 3 COMMUNICATIONS, LLC - NC

FAQ

Where is 704-320 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 704-320 numbers?

SUNCOM DBA T-MOBILE USA 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 704-320 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.