--- title: "Area code 440: Ohio, United States" url: "https://lookvalid.com/area-code/440.md" canonical_url: "https://lookvalid.com/area-code/440" last_updated: "2026-10-23" type: "reference" summary: "Area code 440 serves Ohio, United States. Number formats, numbering rules, a live phone validator and the other codes in Ohio." --- # Area code 440: Ohio, United States Area code 440 serves Ohio, United States. Number formats, numbering rules, a live phone validator and the other codes in Ohio. NANPA lists 757 central office codes (prefixes) in use in area code 440, held by 44 holders across 62 rate centers. Ohio Bell Tel holds the most prefixes, 124 (16%). 74% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 3,228 complaints on file for 2,579 numbers in 440, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 1997-08-16 - Time zone: Eastern (E) - Assigned overlays: 436 (2024-03-01) - Prefixes in use: 757 - Pooled prefixes: 562 (74%) - Rate centers: 62 - Companies holding prefixes: 44 - Assignment dates on file: 2001-01-10 to 2026-01-14 (307 prefixes) - ZIP codes in its places: 85 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | WILLOUGHBY | 68 | 9% | | HILLCREST | 51 | 7% | | ELYRIA | 45 | 6% | | BEREA | 44 | 6% | | CHAGRINFLS | 43 | 6% | | VICTORY | 41 | 5% | | TRINITY | 39 | 5% | | BRECKSVL | 35 | 5% | | 54 other rate centers | 391 | 52% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | Ohio Bell Tel | 124 | 16% | | Verizon Wireless | 115 | 15% | | Level 3 Communications | 68 | 9% | | T-Mobile USA | 62 | 8% | | Mcimetro Access Transmission Services | 52 | 7% | | New Cingular Wireless PCS | 45 | 6% | | 38 other carriers | 291 | 38% | 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 216, named as the parent of 440 in the NANPA report, was in service. - 1997-08-16: Area code 440 went into service. - 2024-03-01: Area code 436 went into service as an overlay in the same area as 440. ## Nearest area codes The area codes closest to 440, measured between the centers of the ZIP code places they serve, are 216 (about 6 miles), 234 (about 38 miles), 330 (about 39 miles), 567 (about 105 miles) and 586 (about 106 miles). ## ZIP codes 85 ZIP codes fall in places that have a rate center in this area code. The places with the most are Cleveland, OH (40 ZIP codes), Lorain, OH (3 ZIP codes) and Ashtabula, OH (2 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 3,228 complaints for 2,579 numbers. Numbers whose latest complaint falls in each year: - 2023: 144 - 2024: 148 - 2025: 251 ## Questions ### Where is area code 440? NANPA assigns area code 440 to Ohio, United States. ### In which state does area code 440 sit? Ohio. 440 is one of 15 area codes the NANPA table assigns to the state. ### Which places does area code 440 cover? The places with the most ZIP codes among the rate centers in 440 are Cleveland, OH, Lorain, OH and Ashtabula, OH. The rate center list on this page shows all of them. ### Who owns area code 440? NANPA assigns area codes. Within 440, Ohio Bell Tel holds the most prefixes, 124 prefixes or 16%. ### Which time zone does 440 use? The NANPA NPA report lists the time zone for 440 as Eastern (E). ### What year did 440 enter service? The NANPA NPA report gives an in-service date of 1997-08-16, so 440 has been in use since 1997. ### Does area code 440 have an overlay? Yes. 436 (in service 2024-03-01) shares the same area with 440, so numbers from all of them are local to each other. ### Which area codes are nearest to 440? The area codes closest to 440, measured between the centers of the ZIP code places they serve, are 216 (about 6 miles), 234 (about 38 miles), 330 (about 39 miles), 567 (about 105 miles) and 586 (about 106 miles). ### How many prefixes does area code 440 have? NANPA's report dated 2026-10-17 lists 757 prefixes in service in 440, spread over 62 rate centers and 44 holders. ### Are there complaints about 440 numbers? The FCC data on file has 3,228 complaints for 2,579 numbers in 440. 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).