Cities in area code 412

32 localities · NANPA data, current as of July 28, 2026.

These are the cities and communities covered by 412 in Pennsylvania. "Covered" means the locality is a rate center holding 412 prefixes; the largest are Pittsburgh Zone 1, Pittsburgh Suburban Zone 14, Pittsburgh Zone 6.

Ranked by active prefixes, the code's territory runs through Pittsburgh Zone 1, Pittsburgh Suburban Zone 14, Pittsburgh Zone 6, Pittsburgh Suburban Zone 22, Pittsburgh Zone 7, Pittsburgh Suburban Zone 15, Pittsburgh Zone 2 and Pittsburgh Suburban Zone 10, and 23 smaller communities down to single-prefix localities.

31 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.

20 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.

All of the code's territory keeps Eastern time.

Remember that people keep numbers when they relocate, so a 412 number is a where-it-was-issued fact, not a where-they-are fact.

FAQ

What is the biggest city in area code 412?

Pittsburgh Zone 1 holds the most active prefixes (312), making it the code's largest numbering locality.

How many places does 412 cover?

32 rate centers in Pennsylvania hold active 412 prefixes, from Pittsburgh Zone 1 down to communities with a single prefix.

Does a 412 number guarantee the caller lives in one of these places?

No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.