Prefix 412-510 — Pittsburgh Zone 1, PA

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

Area code
412
Prefix (NXX)
510
Rate center
Pittsburgh Zone 1
State
Pennsylvania
Time zone
Eastern
Code holder
XO COMMUNICATIONS SERVICES, INC. - PA
OCN
7341
Pooled
Yes (thousands-block pooling)
Assigned
2017-03-09
LATA
234

The 412-510 prefix belongs to area code 412 and is anchored to the Pittsburgh Zone 1 rate center (PA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Pittsburgh Zone 1 is part of the Pittsburgh, PA Metropolitan Statistical Area. For routing purposes it sits in LATA 234. Numbers here keep Eastern time.

The assigned code holder is XO COMMUNICATIONS SERVICES, INC. - PA, operating company number 7341, assigned March 9, 2017. 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 412-510 is not proof the call came from Pittsburgh Zone 1: 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 412-510
PrefixRate centerCode holder
412-507 Pittsburgh Suburban Zone 15 MCIMETRO ACCESS TRANSMISSION SERVICES LLC
412-508 Pittsburgh Zone 1 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA
412-509 Pittsburgh Zone 1 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA
412-512 Pittsburgh Zone 1 AERIAL COMMUNICATIONS, INC.
412-513 Pittsburgh Zone 1 VERIZON PENNSYLVANIA, INC.
412-514 Pittsburgh Zone 1 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA

FAQ

Where is 412-510 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 412-510 numbers?

XO COMMUNICATIONS SERVICES, INC. - PA 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 412-510 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.