--- title: "Area code 223: Pennsylvania, United States" url: "https://lookvalid.com/area-code/223.md" canonical_url: "https://lookvalid.com/area-code/223" last_updated: "2026-10-23" type: "reference" summary: "Area code 223 serves Pennsylvania, United States. Number formats, numbering rules, a live phone validator and the other codes in Pennsylvania." --- # Area code 223: Pennsylvania, United States Area code 223 serves Pennsylvania, United States. Number formats, numbering rules, a live phone validator and the other codes in Pennsylvania. NANPA lists 247 central office codes (prefixes) in use in area code 223, held by 29 holders across 107 rate centers. Onvoy holds the most prefixes, 77 (31%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 556 complaints on file for 480 numbers in 223, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 2017-09-26 - Time zone: Eastern (E) - Assigned overlays: 717 (1947-01-01) - Prefixes in use: 247 - Pooled prefixes: 247 (100%) - Rate centers: 107 - Companies holding prefixes: 29 - Assignment dates on file: 2017-08-31 to 2026-06-04 (239 prefixes) - ZIP codes in its places: 92 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | HARISBGZN1 | 19 | 8% | | LANCASTER | 12 | 5% | | YORK | 12 | 5% | | COLUMBIA | 11 | 4% | | LEBANON | 8 | 3% | | CARLISLE | 6 | 2% | | CHAMBERSBG | 6 | 2% | | HANOVER | 5 | 2% | | 99 other rate centers | 168 | 68% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | Onvoy | 77 | 31% | | PCS One | 26 | 11% | | Fractel | 24 | 10% | | Ton80 Communications | 16 | 6% | | Onvoy Spectrum | 11 | 4% | | Verizon Wireless | 11 | 4% | | 23 other carriers | 82 | 33% | A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company. ## History - 1947-01-01: Area code 717, named as the parent of 223 in the NANPA report, was in service. - 2017-09-26: Area code 223 went into service. ## Nearest area codes The area codes closest to 223, measured between the centers of the ZIP code places they serve, are 301 (about 60 miles), 610 (about 64 miles), 484 (about 65 miles), 835 (about 66 miles) and 443 (about 71 miles). ## ZIP codes 92 ZIP codes fall in places that have a rate center in this area code. The places with the most are Lancaster, PA (11 ZIP codes), York, PA (8 ZIP codes) and Hanover, PA (5 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes. ## Complaints on file 556 complaints for 480 numbers. Numbers whose latest complaint falls in each year: - 2023: 71 - 2024: 93 - 2025: 57 ## Questions ### Where is area code 223? NANPA assigns area code 223 to Pennsylvania, United States. ### In which state does area code 223 sit? Pennsylvania. 223 is one of 15 area codes the NANPA table assigns to the state. ### Which places does area code 223 cover? The places with the most ZIP codes among the rate centers in 223 are Lancaster, PA, York, PA and Hanover, PA. The rate center list on this page shows all of them. ### Who owns area code 223? NANPA assigns area codes. Within 223, Onvoy holds the most prefixes, 77 prefixes or 31%. ### Which time zone does 223 use? The NANPA NPA report lists the time zone for 223 as Eastern (E). ### What year did 223 enter service? The NANPA NPA report gives an in-service date of 2017-09-26, so 223 has been in use since 2017. ### Does area code 223 have an overlay? Yes. 717 (in service 1947-01-01) shares the same area with 223, so numbers from all of them are local to each other. ### Which area codes are nearest to 223? The area codes closest to 223, measured between the centers of the ZIP code places they serve, are 301 (about 60 miles), 610 (about 64 miles), 484 (about 65 miles), 835 (about 66 miles) and 443 (about 71 miles). ### How many prefixes does area code 223 have? NANPA's report dated 2026-10-17 lists 247 prefixes in service in 223, spread over 107 rate centers and 29 holders. ### Are there complaints about 223 numbers? The FCC data on file has 556 complaints for 480 numbers in 223. They are unverified consumer reports. A number with no complaints on file is not proven safe. Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).