{ "url": "https://phonelookup.dev/prefix/us-308", "npa": "308", "slug": "us-308", "iso": "US", "country": "United States", "regions": [ { "code": "NE", "name": "Nebraska", "exchanges": 485 } ], "exchanges": 485, "known": 463, "byLineType": { "fixed_line": 267, "mobile": 161, "unknown": 22, "voip": 35 }, "carriers": [ { "name": "Lumen", "exchanges": 79, "byLineType": { "fixed_line": 78, "voip": 1 }, "ranges": [ "200", "205", "217", "220–221", "229", "235", "244", "247", "251", "254–255", "261–262", "271", "273–274", "284", "301–302", "305–306", "324", "332", "336–337", "345", "381–382", "384–385", "389", "395", "399", "432", "436", "445", "456", "465", "485", "489", "532", "534–537", "568", "583", "586", "623", "630", "632", "635", "646", "665", "667–668", "687", "743", "745", "754", "762–763", "772–773", "778", "783", "785", "787", "824", "832–833", "856", "872", "874", "879", "889", "946", "995" ] }, { "name": "AT&T", "exchanges": 62, "byLineType": { "fixed_line": 4, "mobile": 58 }, "ranges": [ "204", "208–209", "213", "242–243", "252", "258–259", "264", "270", "288", "298", "316–317", "319", "322", "328", "333", "341–342", "347", "356", "359", "361", "363", "373", "376", "400", "405–406", "410", "412–413", "416–417", "419", "422", "431", "435", "437", "441–442", "451", "454", "460–463", "481", "491", "495", "509", "524", "541", "552", "554", "562", "599", "602", "663", "721" ] }, { "name": "Verizon", "exchanges": 56, "byLineType": { "fixed_line": 2, "mobile": 54 }, "ranges": [ "201–202", "212", "214–216", "219", "222–223", "231", "241", "249", "279", "289", "293", "299", "325", "330–331", "339–340", "360", "379–380", "390", "392", "430", "440", "455", "466", "470", "482", "520", "529–530", "550", "566", "615", "627", "631", "641", "655", "660", "672", "730", "737", "746", "750", "760", "765", "830", "850", "870", "920", "940", "991" ] }, { "name": "Great Plains Communications", "exchanges": 30, "byLineType": { "fixed_line": 30 }, "ranges": [ "232", "246", "276", "278", "282", "285–286", "327", "334", "352", "357–358", "364", "386", "396", "447", "478", "497", "567", "587", "636", "638", "684", "795", "836", "848", "858", "882", "968", "986" ] }, { "name": "Frontier", "exchanges": 28, "byLineType": { "fixed_line": 28 }, "ranges": [ "233–234", "236–238", "268–269", "338", "349", "388", "425", "428", "457", "472–473", "563", "728", "752", "775", "799", "826", "865", "868", "893–894", "927–928", "938" ] }, { "name": "Nebraska Central Telephone Company", "exchanges": 20, "byLineType": { "fixed_line": 20 }, "ranges": [ "226", "245", "346", "348", "372", "446", "452", "468", "496", "527", "628", "647", "653", "732", "738", "789", "863", "935", "942", "996" ] }, { "name": "Onvoy", "exchanges": 19, "byLineType": { "voip": 19 }, "ranges": [ "266", "272", "281", "291", "296", "300", "303", "310", "354", "371", "374", "401", "438", "444", "594", "813", "831", "843", "888" ] }, { "name": "Spectrum", "exchanges": 18, "byLineType": { "fixed_line": 18 }, "ranges": [ "203", "253", "275", "309", "312", "323", "393", "424", "439", "474", "477", "545", "575", "675", "877", "925", "937", "985" ] }, { "name": "Cellular One", "exchanges": 17, "byLineType": { "mobile": 17 }, "ranges": [ "207", "225", "230", "240", "250", "353", "370", "464", "629", "637", "640", "650–651", "770", "883", "890", "947" ] }, { "name": "UScellular", "exchanges": 17, "byLineType": { "mobile": 17 }, "ranges": [ "280", "304", "320", "350–351", "383", "391", "414", "528", "539", "571", "589", "624", "708", "880", "930", "999" ] }, { "name": "Consolidated Telephone Company", "exchanges": 15, "byLineType": { "fixed_line": 15 }, "ranges": [ "458", "533", "538", "544", "546–547", "577", "588", "639", "643", "645", "748–749", "764", "834" ] }, { "name": "T-Mobile", "exchanges": 8, "byLineType": { "mobile": 8 }, "ranges": [ "206", "224", "227", "260", "277", "321", "810", "815" ] }, { "name": "ATC Communications", "exchanges": 7, "byLineType": { "fixed_line": 7 }, "ranges": [ "265", "287", "493", "569", "876", "962", "987" ] }, { "name": "Pinpoint Communications", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "344", "475", "798", "823", "869", "929" ] }, { "name": "Allo Communications", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "633", "761", "855", "910", "981" ] }, { "name": "Consolidated Telco", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "239", "326", "362", "387", "963" ] }, { "name": "Dalton Telephone Company", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "377", "483", "673", "682", "884" ] }, { "name": "Bandwidth.com", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "314", "365", "407", "409" ] }, { "name": "COMMIO LLC", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "292", "294–295", "867" ] }, { "name": "Windstream", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "218", "398", "696", "698" ] }, { "name": "Consolidated Telecom", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "486", "582", "584" ] }, { "name": "Golden West Telecommunications Cooperative", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "453", "525", "862" ] }, { "name": "Great Plains Broadband", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "747", "767", "777" ] }, { "name": "Hartman Telephone Exchanges", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "297", "375", "895" ] }, { "name": "Benkelman Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "420", "423" ] }, { "name": "Cambridge Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "692", "697" ] }, { "name": "Cutis Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "366–367" ] }, { "name": "Dish Wireless", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "283", "290" ] }, { "name": "Emergency Networks", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "378", "408" ] }, { "name": "Keystone-Arthur Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "355", "726" ] }, { "name": "Northeast Nebraska Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "548", "654" ] }, { "name": "Nuso", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "210", "256" ] }, { "name": "Rural Telephone Service Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "652", "859" ] }, { "name": "Wauneta Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "394", "397" ] }, { "name": "Ahoi", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "600" ] }, { "name": "Airus Inc", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "343" ] }, { "name": "Brightlink Communications", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "318" ] }, { "name": "CSC Wireless LLC", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "267" ] }, { "name": "Comcast", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "257" ] }, { "name": "Cozad Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "784" ] }, { "name": "Elsie Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "228" ] }, { "name": "Fractel", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "800" ] }, { "name": "Glenwood Telecommunications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "248" ] }, { "name": "Glenwood Telephone Membership Corporation", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "263" ] }, { "name": "HD Carrier", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "508" ] }, { "name": "Hemingford Cooperative Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "487" ] }, { "name": "Hershey Cooperative Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "368" ] }, { "name": "IP Horizon", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "315" ] }, { "name": "Mobius Communications Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "313" ] }, { "name": "PinPoint Wireless", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "695" ] }, { "name": "Sodtown Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "467" ] }, { "name": "TELNYX", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "403" ] }, { "name": "The Peetz Cooperative Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "335" ] }, { "name": "Twilio International", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "896" ] }, { "name": "Vonage", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "661" ] }, { "name": "Wavenation", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "329" ] } ], "grid": "fmmfmfmmmmfummmmmffmffmmmmfmffmmffffffffmmmmfffffmmffffffvfmmfffmfvmffmfvffffmfmmvfmffffmmmvvmvvvfmmvffvmffuufvuffvvmmmmmmmffmffmfmmfmfffffmmmmffffmffmmfmvfmffmmmfmfvfff-mvfmvfmfmmmffmffffffmmffffffffmvuv-mmvmvmummm-mm-mf-mfff--f-mmf--mfmvfmmm-vfff---mffmffff-mmmmmfmff-muffff-ff--mmf-fff-f-m-f-mff----------vm-u--------m---ff-fmmmufffffffm-m--fffff-m-m-mu--u---mf--mfff-m---f-f----fff-fffm----v----mf-m--------u---m-------fm--mfmfmff-ffmffmm-f-fff--mmfffm----mv-f-f-ff---mf-f------f-f--f----f--mfff-u-------m--u---------m----f-f-m-f----mf----f-fmfffm-f-f-----mffffm-f--m-ff-f-ff----fff-f-f-----f--ffv---------mu-v-m-------ff-f---mvfvf-f------v----f-m----ff-ff--ff-f-vffm-f-f-ff-fm-fmf---vfm--fffv-------------fu--------m----f-fffm----f-ff-m-f---fm--u-------uu--ff----f-u-----u----f---fffu--m---ff--m", "patterns": { "all": "^\\+1308[2-9]\\d{6}$", "fixed_line": "^\\+1308(?:2(?:0[035]|1[078]|2[01689]|3[2-9]|4[4-8]|5[1-68]|6[1-3589]|7[13-68]|8[24-7]|97)|3(?:0[12569]|1[23]|2[34679]|3[24-8]|4[3-689]|5[2578]|6[246-8]|7[257]|8[124-9]|9[2-9])|4(?:2[03-58]|3[269]|4[5-7]|5[235-8]|6[578]|7[2-578]|8[35-79]|9[367])|5(?:2[457]|3[2-8]|4[4-8]|6[37-9]|7[57]|8[2-46-8])|6(?:00|2[38]|3[0235689]|4[35-7]|5[2-4]|6[3578]|7[35]|8[247]|9[26-8])|7(?:2[68]|3[28]|4[357-9]|5[24]|6[1-47]|7[23578]|8[3-579]|9[589])|8(?:2[346]|3[246]|48|5[5689]|6[23589]|7[24679]|8[249]|9[3-5])|9(?:10|2[57-9]|3[578]|4[26]|6[238]|8[15-7]|9[56]))\\d{4}$", "mobile": "^\\+1308(?:2(?:0[1246-9]|1[2-69]|2[2-57]|3[01]|4[0-39]|5[09]|6[047]|7[079]|[89][0389])|3(?:04|1[6-9]|2[0-258]|3[0139]|4[0-27]|5[01369]|6[013]|7[03689]|8[03]|9[01])|4(?:0[0568]|1[02-4679]|22|3[0157]|4[0-2]|5[14]|6[0-46]|70|8[12]|9[15])|5(?:[089]9|2[089]|3[09]|[47]1|5[024]|6[26])|6(?:[07]2|[19]5|2[479]|3[17]|4[01]|5[015]|60)|7(?:08|21|3[07]|46|[57]0|6[05])|8(?:1[05]|[3579]0|8[03])|9(?:[23]0|4[07]|9[19]))\\d{4}$", "voip": "^\\+1308(?:2(?:57|66|72|81|9[124-6])|3(?:0[03]|1[045]|54|65|7[14])|4(?:0[1379]|38|44)|5(?:08|94)|661|8(?:00|[14]3|3[13]|67|88|96))\\d{4}$" }, "sandbox": { "input": "+13085550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+13085550123", "international": "+1 308-555-0123", "national": "(308) 555-0123", "rfc3966": "tel:+1-308-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "308", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 308?", "answer": "Area code 308 is in Nebraska, in the United States: all 485 of its exchanges on record are there. From abroad it is dialled +1 308, then the seven-digit number." }, { "question": "Is a 308 number mobile or landline?", "answer": "Either: in the North American Numbering Plan the line type belongs to the exchange (the three digits after the area code), not to the area code. Of the 485 exchanges on record in 308, 161 (33%) were allocated as mobile, 267 (55%) as fixed line, 35 (7%) as VoIP and 22 (5%) have no line type on record. A number can have been ported since, to another carrier and even to another line type." }, { "question": "Which carriers have numbers in area code 308?", "answer": "56 carriers hold exchanges in 308 on record; the most: Lumen (79), AT&T (62) and Verizon (56). These are the original allocations: with number portability, a number may be served by another carrier today, which only a live carrier lookup (an HLR or MNP query) can tell." }, { "question": "How do I validate a 308 phone number?", "answer": "In E.164 a 308 number matches ^\\+1308[2-9]\\d{6}$: +1, the area code, a central office code that does not start with 0 or 1, then four digits. Written nationally it reads (308) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-402", "us-531" ], "previous": "us-307", "next": "us-309" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 485, "references": [ { "authority": "NANPA", "title": "North American Numbering Plan Administrator", "url": "https://nanpa.com/" }, { "authority": "CNAC", "title": "Canadian Numbering Administrator", "url": "https://www.cnac.ca/" }, { "authority": "ITU", "title": "National numbering plan: United States", "url": "https://www.itu.int/oth/T02020000DE/en" } ] } }