Area code 223 – Pennsylvania
223 has served Pennsylvania since 2017, split from 717. 252 of its 786 number blocks are allocated (32%). No carrier dominates: Onvoy / Inteliquent 30.6%, Other CLEC / VoIP 28.2%, T-Mobile 10.7%. It shares its geography with overlay codes 717, so local calls take all ten digits. Spam complaints are comparatively rare: 249 in the 33 days to 30 October 2026, 322nd of the 422 codes with five or more complaints.
- State
- Pennsylvania
- In service since
- 2017
- Time zone
- Eastern
- Shares area with
- 717
Who holds 223 number blocks
Share of the 252 assigned NXX blocks (32.1% of the 786 possible), across 34 carriers. This is share of number blocks, not of subscribers.
- Onvoy30.6%
- Other CLEC / VoIP26.6%
- T-Mobile13.1%
- Verizon6.3%
- AT&T6%
- Charter4.4%
- Bandwidth4%
- Comcast3.2%
- Lumen2%
- Peerless1.6%
- Dish0.8%
- Twilio0.8%
- TPx0.4%
- 8x80.4%
Spam complaints naming 223
FTC Do Not Call complaints where the caller ID was a 223 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 223
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 107.
Timeline
- 2017 223 goes into service, split from or overlaid on 717.
More about 223
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 223
What state is area code 223?
Pennsylvania. It covers the same area as 223/717.
Is a call from 223 a scam?
Not by itself. 223 drew 249 FTC complaints in the 33 days to 30 October 2026, 322nd 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 223 numbers?
Onvoy / Inteliquent holds the largest share of assigned number blocks at 30.6%. 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 223?
Yes – ten digits for local calls in 223, 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.