Prefix 412-735 — Pittsburgh Zone 1, PA

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

Area code
412
Prefix (NXX)
735
Rate center
Pittsburgh Zone 1
State
Pennsylvania
Time zone
Eastern
Code holder
CITYNET PENNSYLVANIA, LLC - PA
OCN
657B
Pooled
Yes (thousands-block pooling)
Assigned
2005-07-09
LATA
234

Numbers in the 412-735 prefix are registered to the Pittsburgh Zone 1 rate center in PA, inside area code 412. The prefix is the second block of a ten-digit US number (412-735-XXXX) and pins the number to a billing locality.

Code-holder of record: CITYNET PENNSYLVANIA, LLC - PA (OCN 657B), assigned July 9, 2005. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 412-735 numbers may be served by different companies.

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

Spoofing means this prefix on your screen doesn't guarantee a Pittsburgh Zone 1 caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 412-735
PrefixRate centerCode holder
412-732 Pittsburgh Zone 2 VERIZON PENNSYLVANIA, INC.
412-733 Pittsburgh Zone 7 TELEPORT COMMUNICATIONS AMERICA, LLC - PA
412-734 Pittsburgh Zone 2 VERIZON PENNSYLVANIA, INC.
412-736 Pittsburgh Zone 1 NEW CINGULAR WIRELESS PCS, LLC - IL
412-737 Pittsburgh Zone 1 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA
412-738 Pittsburgh Zone 1 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA

FAQ

Where is 412-735 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 412-735 numbers?

CITYNET PENNSYLVANIA, LLC - 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 412-735 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.