--- title: "Area code 330: Ohio, United States" url: "https://lookvalid.com/area-code/330.md" canonical_url: "https://lookvalid.com/area-code/330" last_updated: "2026-10-23" type: "reference" summary: "Area code 330 serves Ohio, United States. Number formats, numbering rules, a live phone validator and the other codes in Ohio." --- # Area code 330: Ohio, United States Area code 330 serves Ohio, United States. Number formats, numbering rules, a live phone validator and the other codes in Ohio. NANPA lists 787 central office codes (prefixes) in use in area code 330, held by 35 holders across 117 rate centers. Ohio Bell Tel holds the most prefixes, 198 (25%). 58% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 4,186 complaints on file for 3,425 numbers in 330, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 1996-03-09 - Time zone: Eastern (E) - Assigned overlays: 234 (2000-10-30) - Prefixes in use: 787 - Pooled prefixes: 455 (58%) - Rate centers: 117 - Companies holding prefixes: 35 - Assignment dates on file: 2001-01-05 to 2024-06-25 (187 prefixes) - ZIP codes in its places: 151 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | AKRON | 159 | 20% | | YOUNGSTOWN | 86 | 11% | | CANTON | 74 | 9% | | WARREN | 34 | 4% | | MEDINA | 22 | 3% | | NEWPHLDLPH | 22 | 3% | | WOOSTER | 22 | 3% | | KENT | 21 | 3% | | 109 other rate centers | 347 | 44% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | Ohio Bell Tel | 198 | 25% | | Verizon Wireless | 116 | 15% | | New Cingular Wireless PCS | 64 | 8% | | T-Mobile USA | 62 | 8% | | Brightspeed Of Northwest Ohio | 60 | 8% | | Level 3 Communications | 58 | 7% | | 29 other carriers | 229 | 29% | 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 330 in the NANPA report, was in service. - 1996-03-09: Area code 330 went into service. - 2000-10-30: Area code 234 went into service as an overlay in the same area as 330. ## Nearest area codes The area codes closest to 330, measured between the centers of the ZIP code places they serve, are 440 (about 39 miles), 216 (about 41 miles), 724 (about 81 miles), 878 (about 83 miles) and 412 (about 91 miles). ## ZIP codes 151 ZIP codes fall in places that have a rate center in this area code. The places with the most are Akron, OH (27 ZIP codes), Canton, OH (18 ZIP codes) and Youngstown, OH (15 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 4,186 complaints for 3,425 numbers. Numbers whose latest complaint falls in each year: - 2023: 149 - 2024: 124 - 2025: 145 ## Questions ### Where is area code 330? NANPA assigns area code 330 to Ohio, United States. ### In which state does area code 330 sit? Ohio. 330 is one of 15 area codes the NANPA table assigns to the state. ### Which places does area code 330 cover? The places with the most ZIP codes among the rate centers in 330 are Akron, OH, Canton, OH and Youngstown, OH. The rate center list on this page shows all of them. ### Who owns area code 330? NANPA assigns area codes. Within 330, Ohio Bell Tel holds the most prefixes, 198 prefixes or 25%. ### Which time zone does 330 use? The NANPA NPA report lists the time zone for 330 as Eastern (E). ### What year did 330 enter service? The NANPA NPA report gives an in-service date of 1996-03-09, so 330 has been in use since 1996. ### Does area code 330 have an overlay? Yes. 234 (in service 2000-10-30) shares the same area with 330, so numbers from all of them are local to each other. ### Which area codes are nearest to 330? The area codes closest to 330, measured between the centers of the ZIP code places they serve, are 440 (about 39 miles), 216 (about 41 miles), 724 (about 81 miles), 878 (about 83 miles) and 412 (about 91 miles). ### How many prefixes does area code 330 have? NANPA's report dated 2026-10-17 lists 787 prefixes in service in 330, spread over 117 rate centers and 35 holders. ### Are there complaints about 330 numbers? The FCC data on file has 4,186 complaints for 3,425 numbers in 330. 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).