Prefix 412-588 — Pittsburgh Zone 1, PA

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

Area code
412
Prefix (NXX)
588
Rate center
Pittsburgh Zone 1
State
Pennsylvania
Time zone
Eastern
Code holder
TELNYX LLC
OCN
073H
Pooled
Yes (thousands-block pooling)
Assigned
2017-06-05
LATA
234

412-588 identifies a block of numbers in Pittsburgh Zone 1, PA, within the 412 area code. Every US prefix is tied to exactly one rate center; this one is Pittsburgh Zone 1.

The rate center lies in the Pittsburgh, PA Metropolitan Statistical Area. The serving LATA is 234. Local time follows the Eastern zone.

Treat the on-screen number as a hint, not evidence — 412-588 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.

NANPA's central-office code records list TELNYX LLC (OCN 073H) as the code holder, assigned June 5, 2017. Because 412-588 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Neighboring prefixes

Prefixes adjacent to 412-588
PrefixRate centerCode holder
412-585 Criders Corners CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA
412-586 Pittsburgh Zone 1 PAETEC ITEL, LLC
412-587 Pittsburgh Zone 7 MCIMETRO ACCESS TRANSMISSION SERVICES LLC
412-589 Pittsburgh Zone 1 AERIAL COMMUNICATIONS, INC.
412-590 Pittsburgh Zone 2 SPOK, INC.
412-591 Pittsburgh Zone 2 SPOK, INC.

FAQ

Where is 412-588 located?

The prefix is assigned to the Pittsburgh Zone 1 rate center in PA, area code 412. It is part of the Pittsburgh, PA Metropolitan Statistical Area.

Which company owns 412-588 numbers?

TELNYX LLC 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 412-588 safe to answer?

The prefix itself says nothing about the caller. Legitimate Pittsburgh Zone 1 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.