{ "url": "https://phonelookup.dev/prefix/us-309", "npa": "309", "slug": "us-309", "iso": "US", "country": "United States", "regions": [ { "code": "IL", "name": "Illinois", "exchanges": 800 } ], "exchanges": 800, "known": 786, "byLineType": { "fixed_line": 459, "mobile": 159, "unknown": 14, "voip": 168 }, "carriers": [ { "name": "Frontier", "exchanges": 143, "byLineType": { "fixed_line": 143 }, "ranges": [ "227", "234", "243", "248–249", "263", "266", "268", "274", "284", "286", "288", "295", "298", "304", "329", "359", "364–365", "374", "376–379", "385", "387", "392", "394", "399", "426", "432", "434", "436", "438", "443–444", "446–449", "451–452", "454", "457", "462–464", "467", "469", "473", "475–476", "479", "482", "486", "493", "496", "513", "523", "526", "529", "534", "537–538", "546", "556–557", "572", "576–579", "582", "584", "586–587", "593–594", "622", "627", "654", "658–659", "661–664", "695", "722–729", "734", "742", "744–745", "754", "768", "770", "772", "775", "784–785", "819–821", "823", "827–829", "831", "833", "836–837", "851–854", "856", "862", "866–867", "872–874", "886–888", "895–897", "923–925", "928", "932", "962–963", "965" ] }, { "name": "AT&T", "exchanges": 135, "byLineType": { "fixed_line": 95, "mobile": 34, "voip": 6 }, "ranges": [ "203", "206", "222", "229", "233", "237", "244–245", "247", "317", "326", "330", "361–363", "400", "425", "427", "435", "445", "470", "494–495", "497", "500", "519", "524", "530–533", "547", "558", "560", "565–566", "569", "573", "581", "589", "591–592", "614", "621", "624", "630", "633–634", "636–637", "643", "647", "649", "655", "660", "668–669", "671–677", "679–694", "697–699", "716", "732", "736", "743", "748–749", "751–753", "755–757", "762", "764–765", "779", "782", "786–789", "791–799", "822", "825–826", "860", "864", "881", "884", "889–891", "901", "906", "912", "914", "941", "947", "970", "985–986", "991–992", "999" ] }, { "name": "Lumen", "exchanges": 96, "byLineType": { "fixed_line": 90, "voip": 6 }, "ranges": [ "205", "210", "213–216", "218", "226", "228", "246", "273", "276", "279", "285", "289", "294", "296", "305", "315", "321", "341–348", "352–353", "375", "382", "401–410", "412–420", "422–423", "431", "437", "439", "465", "468", "477–478", "481", "512", "516–518", "535", "539", "543", "545", "563", "588", "597–598", "604–606", "628", "641", "644", "705", "717", "731", "733", "740", "760–761", "767", "807", "832", "834", "863", "885", "893", "938", "948", "968" ] }, { "name": "Sinch (Inteliquent)", "exchanges": 74, "byLineType": { "voip": 74 }, "ranges": [ "220", "223", "225", "240", "250", "260", "271", "280", "290", "301", "309", "312", "316", "354", "356", "384", "386", "393", "395–396", "398", "440", "442", "450", "455", "460–461", "466", "471", "474", "480", "492", "505", "541", "568", "580", "590", "595", "601–602", "607", "610", "617", "640", "650", "702", "708", "741", "780", "790", "800", "815", "857", "894", "898–899", "903–905", "908", "910", "915", "918", "921", "929", "951–952", "960", "964", "975", "981", "983", "988", "993" ] }, { "name": "Verizon", "exchanges": 58, "byLineType": { "fixed_line": 12, "mobile": 46 }, "ranges": [ "202", "207", "212", "217", "230", "235–236", "238", "241", "252–253", "255–256", "258", "264–265", "300", "302", "313", "319", "335", "338–339", "349", "351", "357", "360", "368–370", "380", "397", "424", "429", "459", "509–510", "536", "550", "561", "567", "574", "620", "657", "696", "714", "735", "763", "766", "781", "824", "830", "838", "840", "846", "850", "883", "994" ] }, { "name": "MEDIACOM", "exchanges": 39, "byLineType": { "fixed_line": 39 }, "ranges": [ "281", "355", "485", "487–488", "490–491", "498–499", "503", "514–515", "551–552", "554", "559", "564", "600", "603", "625–626", "651", "707", "710", "720", "739", "771", "809", "814", "842–843", "845", "848–849", "855", "871", "933", "977", "987" ] }, { "name": "T-Mobile", "exchanges": 39, "byLineType": { "mobile": 39 }, "ranges": [ "208", "242", "261–262", "269", "275", "287", "292", "299", "303", "310", "314", "318", "336", "340", "350", "428", "453", "472", "489", "501–502", "506", "520", "540", "553", "613", "631", "642", "648", "706", "721", "750", "847", "868", "922", "954", "969", "989" ] }, { "name": "UScellular", "exchanges": 23, "byLineType": { "mobile": 23 }, "ranges": [ "201", "219", "221", "224", "231–232", "251", "267", "331", "333", "337", "371", "373", "507", "525", "635", "645", "678", "712", "737–738", "902", "973" ] }, { "name": "Access2Go", "exchanges": 21, "byLineType": { "voip": 21 }, "ranges": [ "570", "619", "632", "638", "656", "701", "704", "709", "718–719", "773", "804–806", "812–813", "841", "858–859", "870", "878" ] }, { "name": "Mid-Century Telephone Cooperative", "exchanges": 14, "byLineType": { "fixed_line": 14 }, "ranges": [ "293", "358", "484", "639", "758–759", "778", "783", "875–876", "879", "926–927", "995" ] }, { "name": "Bandwidth.com", "exchanges": 10, "byLineType": { "voip": 10 }, "ranges": [ "204", "270", "291", "322–323", "328", "608", "670", "980", "984" ] }, { "name": "McDonough Telephone Cooperative", "exchanges": 10, "byLineType": { "fixed_line": 10 }, "ranges": [ "254", "257", "325", "456", "652–653", "746", "769", "774", "776" ] }, { "name": "Comcast", "exchanges": 8, "byLineType": { "voip": 8 }, "ranges": [ "388", "421", "583", "585", "713", "808", "839", "966" ] }, { "name": "Emergency Networks", "exchanges": 8, "byLineType": { "mobile": 8 }, "ranges": [ "259", "542", "618", "810", "818", "953", "956–957" ] }, { "name": "Mcc Telephony", "exchanges": 8, "byLineType": { "fixed_line": 8 }, "ranges": [ "548", "599", "609", "616", "703", "801", "817", "997" ] }, { "name": "TELNYX", "exchanges": 7, "byLineType": { "voip": 7 }, "ranges": [ "239", "320", "549", "571", "865", "869", "882" ] }, { "name": "Nuso", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "665", "730", "917", "919", "930", "971" ] }, { "name": "Paetec Itel", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "277–278", "282–283", "909", "916" ] }, { "name": "Brightlink Communications", "exchanges": 5, "byLineType": { "mobile": 3, "voip": 2 }, "ranges": [ "209", "307–308", "803", "961" ] }, { "name": "Geneseo Telephone Company", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "441", "944–946", "949" ] }, { "name": "Skyetel", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "272", "297", "433", "544" ] }, { "name": "Twilio International", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "623", "892", "939", "955" ] }, { "name": "Cambridge Telephone Company", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "521–522", "937" ] }, { "name": "HD Carrier", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "802", "880", "920" ] }, { "name": "Henry County Telephone Company", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "934–936" ] }, { "name": "Metamora Telephone Company", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "366–367", "383" ] }, { "name": "Peerless Network", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "306", "391", "777" ] }, { "name": "Ton80 Communications", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "942", "967", "996" ] }, { "name": "Vonage", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "327", "332", "381" ] }, { "name": "Wavenation", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "974", "978–979" ] }, { "name": "COMMIO LLC", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "844", "913" ] }, { "name": "CSC Wireless LLC", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "612", "615" ] }, { "name": "Callworks Corporation", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "861", "943" ] }, { "name": "Dish Wireless", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "907", "931" ] }, { "name": "Exiant", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "324", "990" ] }, { "name": "Fractel", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "666", "900" ] }, { "name": "IP Horizon", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "816", "835" ] }, { "name": "Mtco Communications", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "575", "715" ] }, { "name": "Woodhull Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "334", "629" ] }, { "name": "YMax Communications", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "200", "504" ] }, { "name": "Adams Telephone Cooperative", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "458" ] }, { "name": "Ahoi", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "982" ] }, { "name": "American Messaging", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "528" ] }, { "name": "Cass Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "562" ] }, { "name": "Century Enterprises", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "998" ] }, { "name": "Consolidated Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "527" ] }, { "name": "Geneseo Communications Services", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "430" ] }, { "name": "Glasford Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "389" ] }, { "name": "Gridley Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "747" ] }, { "name": "Leap Telecom", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "390" ] }, { "name": "MTCO Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "508" ] }, { "name": "New Windsor Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "667" ] }, { "name": "Oneida Network Services", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "972" ] }, { "name": "Oneida Telephone Exchange", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "483" ] }, { "name": "Reynolds Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "372" ] }, { "name": "Terra Nova Telecom", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "877" ] }, { "name": "USA Mobility", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "646" ] }, { "name": "Viola Home Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "596" ] }, { "name": "Voip Street", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "940" ] } ], "grid": "vmmmvvfmmmfumffffmfmvmfvmvffffmmmffmmmmvvmmfffffffvmmmfmmfmmvmmfmmfmfmvvvffmffffvffffffmffvvmffffvfmmvfmfvvmmvmuvfmvvmmfvfvvvffvvfmmvmfmmmmmmffffffffmmmffvfvmffmmfmffffmmmmfmfffffffvffvfvfvffvfvfvvmvfvffffffffffufffffffffvffmvffmmfffvfvffffvfvfffffffvffmfvffffvvffffvffffvmfvfffffvffffffffmffvfffffffmmmfvvmmfmmuvfffvffmmffffmffmfmmmmffmfffmvmfvffffvfffmfuffffffffffffvmvvffmfffffvffvfvffffvmmffvfffffvvffvfvvfvummmmfvmvmmfvffffffmmvffmffvfvfmvfmmfmfvfffffvmffmfffffvfffvfffffffmfffffffffffffffffmfffuvvfvfmfvvfumvmfmfvvfmfffffffffffffffmmffvffffffffmffffffffffffffffffffffvfffvffvmffffffffvfffffffffvfvvvvvfvfmuvvfvvfmfffffmmmfffmffffvffmvmvffvfmmffmffffffvvvmvfffvffmvvffffffvvfvmvmfffffvmmvfvfffvvvmmvvvmmvfvumvmvffvfvvmffffffvfmfffffffvvfvvfffmffuvvmmvmmuuvvffvfvvfmvffmfvufffvvfvvmmfvmvmfvffvfff", "patterns": { "all": "^\\+1309[2-9]\\d{6}$", "fixed_line": "^\\+1309(?:2(?:06|1[03-68]|2[26-9]|3[34]|4[3-9]|5[47]|6[368]|7[346-9]|8[1-689]|9[3-68])|3(?:0[24]|1[39]|2[1569]|34|4[1-8]|5[23589]|6[24-7]|7[24-9]|8[023579]|9[0249])|4(?:0[1-9]|1[02-9]|2[02367]|3[0-246-9]|4[13-9]|5[1246-9]|6[2-57-9]|7[035-9]|8[1-8]|9[013-9])|5(?:0[38]|1[3-578]|2[1-4679]|3[457-9]|4[35-8]|5[0-246-9]|6[0-7]|7[235-9]|8[1246-9]|9[346-9])|6(?:0[03469]|16|2[24-9]|3[34679]|4[1479]|5[1-589]|6[1-57-9]|7[1-79]|8\\d|9[0-57-9])|7(?:0[357]|1[057]|[24][02-9]|3[0-69]|[59][1-9]|6\\d|7[0-24-689]|8[2-9])|8(?:0[179]|1[479]|2[0-37-9]|3[1-467]|4[23589]|5[1-6]|6[2-467]|7[1-69]|8[4-8]|9[35-7])|9(?:09|1[679]|2[3-8]|3[02-8]|4[14-689]|6[2358]|7[1247-9]|8[27]|9[2457-9]))\\d{4}$", "mobile": "^\\+1309(?:2(?:0[1-37-9]|1[279]|2[14]|3[0-25-8]|4[12]|5[1-35689]|6[124579]|75|87|9[29])|3(?:0[0378]|1[0478]|3[0135-9]|4[09]|5[017]|6[01389]|7[013]|97)|4(?:2[489]|53|72|89)|5(?:0[0-2679]|1[09]|2[058]|3[0-36]|4[02]|53|69|74|9[12])|6(?:1[2-58]|2[01]|3[015]|4[2568]|57|60|78|96)|7(?:06|1[246]|[28]1|3[78]|50)|8(?:[136][08]|2[4-6]|4[067]|50|8[13]|9[01])|9(?:0[1267]|1[24]|22|[39]1|47|5[3467]|69|73|8[569]))\\d{4}$", "voip": "^\\+1309(?:2(?:0[045]|2[035]|39|[4-68]0|7[0-2]|9[017])|3(?:0[1569]|1[256]|2[02-478]|32|5[46]|8[1468]|9[13568])|4(?:[08]0|2[15]|3[35]|4[02]|5[05]|6[016]|7[14]|92)|5(?:0[45]|1[26]|4[149]|68|7[01]|8[035]|9[05])|6(?:0[12578]|1[079]|23|3[28]|4[03]|5[06]|66|70)|7(?:0[12489]|1[389]|41|7[37]|[89]0)|8(?:0[02-68]|1[2356]|3[59]|4[14]|5[7-9]|6[159]|7[078]|8[029]|9[2489])|9(?:0[03-58]|1[0358]|2[019]|39|4[023]|5[125]|6[01467]|7[05]|8[01348]|9[036]))\\d{4}$" }, "sandbox": { "input": "+13095550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+13095550123", "international": "+1 309-555-0123", "national": "(309) 555-0123", "rfc3966": "tel:+1-309-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "309", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 309?", "answer": "Area code 309 is in Illinois, in the United States: all 800 of its exchanges on record are there. From abroad it is dialled +1 309, then the seven-digit number." }, { "question": "Is a 309 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 800 exchanges on record in 309, 159 (20%) were allocated as mobile, 459 (57%) as fixed line, 168 (21%) as VoIP and 14 (2%) 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 309?", "answer": "59 carriers hold exchanges in 309 on record; the most: Frontier (143), AT&T (135) and Lumen (96). 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 309 phone number?", "answer": "In E.164 a 309 number matches ^\\+1309[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 (309) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-217", "us-224", "us-312", "us-331", "us-447", "us-464", "us-618", "us-630", "us-708", "us-730", "us-773", "us-779", "us-815", "us-847", "us-872" ], "previous": "us-308", "next": "us-310" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 800, "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" } ] } }