--- title: "Area code 975: Missouri, United States" url: "https://lookvalid.com/area-code/975.md" canonical_url: "https://lookvalid.com/area-code/975" last_updated: "2026-10-23" type: "reference" summary: "Area code 975 serves Missouri, United States. Number formats, numbering rules, a live phone validator and the other codes in Missouri." --- # Area code 975: Missouri, United States Area code 975 serves Missouri, United States. Number formats, numbering rules, a live phone validator and the other codes in Missouri. NANPA lists 21 central office codes (prefixes) in use in area code 975, held by 6 holders across 14 rate centers. Onvoy holds the most prefixes, 11 (52%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 63 complaints on file for 16 numbers in 975, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 2023-10-13 - Time zone: Central (C) - Assigned overlays: 816 (1947-01-01) - Prefixes in use: 21 - Pooled prefixes: 21 (100%) - Rate centers: 14 - Companies holding prefixes: 6 - Assignment dates on file: 2025-05-20 to 2026-07-30 (21 prefixes) - ZIP codes in its places: 87 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | KANSASCITY | 8 | 38% | | ADRIAN | 1 | 5% | | BELTON | 1 | 5% | | BLUE SPG | 1 | 5% | | CAMDEN PT | 1 | 5% | | CAMERON | 1 | 5% | | DEARBORN | 1 | 5% | | GREENWOOD | 1 | 5% | | 6 other rate centers | 6 | 29% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | Onvoy | 11 | 52% | | New Cingular Wireless PCS | 6 | 29% | | AT&T - Local | 1 | 5% | | Bandwidth.com CLEC | 1 | 5% | | TPX Communications | 1 | 5% | | Verizon Wireless | 1 | 5% | 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 816, named as the parent of 975 in the NANPA report, was in service. - 2023-10-13: Area code 975 went into service. ## Nearest area codes The area codes closest to 975, measured between the centers of the ZIP code places they serve, are 913 (about 21 miles), 660 (about 71 miles), 417 (about 143 miles), 785 (about 154 miles) and 235 (about 169 miles). ## ZIP codes 87 ZIP codes fall in places that have a rate center in this area code. The places with the most are Kansas City, MO (71 ZIP codes), Lees Summit, MO (7 ZIP codes) and Adrian, MO (1 ZIP code). 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 63 complaints for 16 numbers. Numbers whose latest complaint falls in each year: - 2023: 0 - 2024: 0 - 2025: 0 ## Questions ### Where is area code 975? NANPA assigns area code 975 to Missouri, United States. ### In which state does area code 975 sit? Missouri. 975 is one of 9 area codes the NANPA table assigns to the state. ### Which places does area code 975 cover? The places with the most ZIP codes among the rate centers in 975 are Kansas City, MO, Lees Summit, MO and Adrian, MO. The rate center list on this page shows all of them. ### Who owns area code 975? NANPA assigns area codes. Within 975, Onvoy holds the most prefixes, 11 prefixes or 52%. ### Which time zone does 975 use? The NANPA NPA report lists the time zone for 975 as Central (C). ### What year did 975 enter service? The NANPA NPA report gives an in-service date of 2023-10-13, so 975 has been in use since 2023. ### Does area code 975 have an overlay? Yes. 816 (in service 1947-01-01) shares the same area with 975, so numbers from all of them are local to each other. ### Which area codes are nearest to 975? The area codes closest to 975, measured between the centers of the ZIP code places they serve, are 913 (about 21 miles), 660 (about 71 miles), 417 (about 143 miles), 785 (about 154 miles) and 235 (about 169 miles). ### How many prefixes does area code 975 have? NANPA's report dated 2026-10-17 lists 21 prefixes in service in 975, spread over 14 rate centers and 6 holders. ### Are there complaints about 975 numbers? The FCC data on file has 63 complaints for 16 numbers in 975. 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).