Area code 412 – Pennsylvania
412 is one of the original area codes, in service across Pennsylvania since 1947. 762 of its 786 number blocks are allocated – about 97% full. Verizon is the largest holder with 51.0% of blocks, ahead of Other CLEC / VoIP at 18.5%. It shares its geography with overlay codes 878, so local calls take all ten digits. 830 FTC complaints named a 412 caller ID in the 33 days to 30 October 2026, putting it 90th of 422 codes with five or more complaints.
- State
- Pennsylvania
- In service since
- 1947
- Time zone
- Eastern
- Shares area with
- 878
Who holds 412 number blocks
Share of the 762 assigned NXX blocks (96.9% of the 786 possible), across 40 carriers. This is share of number blocks, not of subscribers.
- Verizon51%
- AT&T12.5%
- T-Mobile7.3%
- Other CLEC / VoIP6.8%
- Onvoy5.5%
- Windstream5%
- Lumen4.5%
- Spok3.1%
- Bandwidth1.7%
- Comcast0.9%
- Charter0.7%
- Peerless0.3%
- Telnyx0.3%
- 8x80.1%
- Vonage0.1%
- TPx0.1%
Spam complaints naming 412
FTC Do Not Call complaints where the caller ID was a 412 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.
Rate centers in 412
NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 32.
Timeline
- 1947 412 assigned in the original North American Numbering Plan.
More about 412
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 412
What state is area code 412?
Pennsylvania. It covers the same area as 412/878.
Is a call from 412 a scam?
Not by itself. 412 drew 830 FTC complaints in the 33 days to 30 October 2026, 90th of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number.
Which carrier owns 412 numbers?
Verizon holds the largest share of assigned number blocks at 51.0%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.
Do I need to dial 10 digits in 412?
Yes – ten digits for local calls in 412, because it shares its area with another code.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 25 daily files 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.