{ "url": "https://phonelookup.dev/prefix/us-864", "npa": "864", "slug": "us-864", "iso": "US", "country": "United States", "regions": [ { "code": "SC", "name": "South Carolina", "exchanges": 800 } ], "exchanges": 800, "known": 787, "byLineType": { "fixed_line": 398, "mobile": 274, "unknown": 13, "voip": 115 }, "carriers": [ { "name": "AT&T", "exchanges": 258, "byLineType": { "fixed_line": 183, "mobile": 70, "voip": 5 }, "ranges": [ "204", "206", "210", "213", "216", "220–222", "224–226", "231–236", "239–244", "246–248", "250–251", "253–255", "259–261", "263", "268–269", "271", "274", "277", "280–284", "286–289", "291–292", "294–299", "301", "306", "318", "320–322", "329", "332", "338", "342", "344", "353–355", "362", "369–371", "375", "381", "384", "389", "394", "397", "403–404", "409", "421–422", "427", "429", "431", "433", "439–442", "452", "454–455", "458", "462–463", "466–467", "469", "474", "486–489", "494–495", "497–498", "500", "503", "508", "512", "515", "529", "531", "539", "542", "547–548", "550", "552", "557", "560", "562", "570", "573–574", "576–583", "585", "587", "591–599", "600", "605", "609–610", "615", "624–625", "627", "631", "634", "638–639", "646–647", "650", "653–654", "656", "674–676", "684", "695", "697", "701", "707", "716", "718", "720", "731", "736", "744", "749", "758", "793", "796–798", "801–802", "812", "814–815", "817", "829", "833–834", "836", "838–839", "843", "845", "847–848", "850", "855", "857–859", "862", "868", "873", "875", "877–879", "882", "885–886", "888", "892", "895", "898–899", "901–903", "905–908", "910", "921", "925", "929–930", "932–933", "936", "938", "944", "947–949", "954–955", "958", "964", "968", "972–973", "975", "977", "980–981", "985", "987", "989" ] }, { "name": "Verizon", "exchanges": 102, "byLineType": { "fixed_line": 7, "mobile": 95 }, "ranges": [ "200", "209", "230", "237–238", "245", "270", "293", "313–316", "323", "350", "360–361", "378", "380", "382", "385", "387", "395", "398–399", "413–415", "417", "419–420", "423", "426", "430", "434", "436–437", "448", "477", "483", "490–491", "499", "504", "506", "518", "524", "526", "533", "537", "546", "553–554", "556", "561", "566", "572", "589–590", "602", "606–608", "612", "614", "616–617", "619", "630", "658", "665", "670", "680", "706", "710", "714", "723", "760", "764", "775", "791", "795", "804", "807", "828", "851", "871", "884", "887", "909", "913", "915", "918", "923", "934", "937", "940", "952", "978–979", "982", "992–993" ] }, { "name": "Paetec Itel", "exchanges": 78, "byLineType": { "fixed_line": 78 }, "ranges": [ "208", "272", "276", "307", "310", "312", "317", "319", "327–328", "330–331", "334", "339", "343", "349", "351", "368", "392", "396", "400", "408", "416", "424", "464", "475", "478", "480–482", "485", "492", "527–528", "530", "541", "601", "622–623", "633", "637", "644–645", "648–649", "655", "660–663", "672–673", "678–679", "688–689", "698–699", "704", "721–722", "724–725", "756–757", "770", "835", "840", "846", "849", "869", "896–897", "904", "939", "945–946", "965" ] }, { "name": "T-Mobile", "exchanges": 70, "byLineType": { "mobile": 70 }, "ranges": [ "201–202", "205", "207", "219", "266", "275", "300", "303–305", "308–309", "324–325", "337", "340–341", "345–347", "356–357", "359", "363–365", "367", "376–377", "386", "401", "407", "425", "435", "444", "449–451", "484", "505", "525", "534–535", "540", "551", "558–559", "567", "621", "685", "690", "741", "745", "747", "753", "772", "784", "787", "789–790", "809", "831", "844", "872", "912", "922", "935", "986", "990" ] }, { "name": "Lumen", "exchanges": 54, "byLineType": { "fixed_line": 50, "voip": 4 }, "ranges": [ "223", "227", "229", "249", "252", "256", "278–279", "302", "335", "374", "388", "438", "445", "456", "502", "510", "513", "538", "543", "569", "613", "618", "640–643", "657", "671", "708", "717", "719", "729", "746", "751–752", "761–762", "766", "803", "810", "841", "881", "916", "941–943", "953", "970–971", "991", "994–995", "998" ] }, { "name": "Onvoy", "exchanges": 48, "byLineType": { "voip": 48 }, "ranges": [ "214–215", "265", "373", "383", "412", "428", "523", "532", "564", "568", "635", "659", "664", "668", "691–694", "713", "732", "734", "737–740", "750", "767", "776", "778", "780", "818", "824", "826", "830", "854", "856", "860", "863", "865–866", "874", "891", "894", "900", "914", "920", "999" ] }, { "name": "Bandwidth.com", "exchanges": 22, "byLineType": { "voip": 22 }, "ranges": [ "326", "410", "453", "519", "536", "565", "571", "651", "712", "735", "743", "759", "763", "765", "769", "771", "774", "779", "781", "785", "808", "924" ] }, { "name": "Spectrum", "exchanges": 18, "byLineType": { "fixed_line": 18 }, "ranges": [ "285", "372", "402", "406", "479", "496", "507", "509", "520", "522", "544", "586", "603", "715", "726", "742", "805", "853" ] }, { "name": "Emergency Networks", "exchanges": 17, "byLineType": { "mobile": 17 }, "ranges": [ "521", "563", "636", "687", "696", "820–821", "825", "864", "870", "890", "931", "957", "960–961", "974", "988" ] }, { "name": "Frontier", "exchanges": 11, "byLineType": { "fixed_line": 11 }, "ranges": [ "228", "432", "447", "459", "465", "476", "962–963", "967", "983–984" ] }, { "name": "South Carolina Telecom Group", "exchanges": 10, "byLineType": { "fixed_line": 10 }, "ranges": [ "604", "628–629", "632", "705", "709", "728", "730", "733", "919" ] }, { "name": "USA Mobility", "exchanges": 10, "byLineType": { "mobile": 10 }, "ranges": [ "212", "217–218", "390", "460", "470–471", "493", "620", "996" ] }, { "name": "WestCarolinaTel", "exchanges": 10, "byLineType": { "fixed_line": 10 }, "ranges": [ "333", "348", "352", "366", "379", "391", "418", "443", "446", "852" ] }, { "name": "Ton80 Communications", "exchanges": 9, "byLineType": { "voip": 9 }, "ranges": [ "667", "768", "782–783", "792", "837", "893", "927", "966" ] }, { "name": "Total Communication Systems", "exchanges": 8, "byLineType": { "mobile": 8 }, "ranges": [ "257–258", "262", "264", "267", "273", "827", "880" ] }, { "name": "Piedmont Rural Telephone Cooperative", "exchanges": 7, "byLineType": { "fixed_line": 7 }, "ranges": [ "575", "677", "682–683", "861", "876", "969" ] }, { "name": "Spirit Telecom", "exchanges": 7, "byLineType": { "fixed_line": 7 }, "ranges": [ "514", "516–517", "773", "832", "883", "889" ] }, { "name": "Windstream", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "457", "468", "472–473", "702", "806" ] }, { "name": "COMMIO LLC", "exchanges": 5, "byLineType": { "voip": 5 }, "ranges": [ "290", "867", "917", "926", "928" ] }, { "name": "Fractel", "exchanges": 5, "byLineType": { "voip": 5 }, "ranges": [ "588", "755", "786", "788", "842" ] }, { "name": "PRT Communications", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "358", "393", "681", "819" ] }, { "name": "Peerless Network", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "626", "727", "777" ] }, { "name": "TELNYX", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "336", "754", "800" ] }, { "name": "Chesnee Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "461", "703" ] }, { "name": "Dish Wireless", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "799", "951" ] }, { "name": "Nuso", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "669", "823" ] }, { "name": "Skyetel", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "748", "822" ] }, { "name": "Twilio International", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "794", "956" ] }, { "name": "Brightlink Communications", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "501" ] }, { "name": "CSC Wireless LLC", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "652" ] }, { "name": "Callworks Corporation", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "997" ] }, { "name": "Comcast", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "816" ] }, { "name": "Exiant", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "549" ] }, { "name": "HD Carrier", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "584" ] }, { "name": "IP Horizon", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "686" ] }, { "name": "Lockhart Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "545" ] }, { "name": "PBT Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "405" ] }, { "name": "Terra Nova Telecom", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "666" ] }, { "name": "Vonage", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "203" ] }, { "name": "Wow! Internet", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "813" ] } ], "grid": "mmmvfmfmfmvumfvvfmmmfmffffffffmffffffmmffffffmfmfffmfffffmmmffmvmvmmffmffmfmffffmfffffffffvffmffffffmffmmmffmmfufmmfmfmfmmfmmmvfffffffffvmffmmffmmmmffmffmmfmmfmmmvmmmfmfffffvffmmmfmfmvmmmmfmmfffmmffmmfmffmffmffvuvmmmfmfmmffmfmmfvfmmffmmmmfffmffmffffmmmfvffffffmfmfffffffmmfffffmfffffmmfffffmmfmmmfmmmmmffmmmffffuffffffmvfmfvmmmffffmvmmmvfffmfffffmmmvmmfmmummmmfmfmvvfmvfmvmffffffffmffvfffvmmffmffffffmfmfffmfmffumfmmmmfmmmfffvvfffmfffmvmfffffffffffffmvmffffvmvffffvfvvvfmvffffffffmfffmmvmffmvvvvfmfffumffffmvffmuvvffffffmffmfffvfvfmvfvvmvvvvmfvfmfmvmvffmvvffmvmffvmvfvvvfvmfvmvvvvvvvvmvvmvmmmvmvmmffmvfffmffmvmfumffmvmvfmmvfvmvmmmvmfffffvmfffvfmffffffmffvfvmffvffvmvvvffmmmfvmffffmfffmffmffmvmvvffffmvmfmfmmmmmmummvmfvmfvmmmvmvvvmfmmmmmfmffmfffffffffummfmmvmmummffffvffffvffmfufmmmmmfffmfmfmfmmffmvfv", "patterns": { "all": "^\\+1864[2-9]\\d{6}$", "fixed_line": "^\\+1864(?:2(?:0[468]|1[36]|2[02-9]|3[1-69]|4[0-4689]|5[02-6]|6[0189]|7[1246-9]|8[1-9]|9[124-9])|3(?:0[1267]|1[02579]|2[27-9]|3[0-589]|4[2389]|5[1258]|6[689]|7[0-2459]|8[18]|9[1-367])|4(?:0[0235689]|1[68]|2[12479]|3[2389]|4[0235-8]|5[24-9]|6[13-9]|7[2-689]|8[0-25-9]|9[26])|5(?:0[237-9]|1[02-7]|2[027-9]|3[07-9]|4[1-5]|52|6[0269]|7[3-9]|8[0235-7]|9[124-9])|6(?:0[13-579]|1[038]|2[2-47-9]|3[1-37-9]|4\\d|5[3-6]|6[0-359]|7[2-9]|8[1-389]|9[57-9])|7(?:0[2-589]|1[4-9]|2[124-68]|[37][03]|4[246]|5[1267]|6[126]|9[78])|8(?:0[1-356]|1[0349]|23|3[2-69]|4[0135-9]|5[023589]|6[1289]|7[36-9]|8[1-35689]|9[5-8])|9(?:0[24]|1[69]|3[0689]|4[1-9]|53|6[2-57-9]|7[02357]|8[3-579]|9[1458]))\\d{4}$", "mobile": "^\\+1864(?:2(?:0[0-2579]|1[27-9]|21|3[078]|4[57]|5[17-9]|6[2467]|7[035]|80|93)|3(?:0[03-589]|1[3468]|2[013-5]|37|4[014-7]|5[034679]|6[013-57]|7[6-8]|8[024-79]|9[04589])|4(?:0[147]|1[3-579]|2[0356]|3[014-7]|4[149]|5[01]|6[02]|7[017]|8[34]|9[013-57-9])|5(?:0[014-6]|18|2[14-6]|3[13-5]|4[06-8]|5[01346-9]|6[137]|7[02]|8[19]|9[03])|6(?:0[0268]|1[24-79]|2[01]|3[046]|5[028]|70|8[0457]|9[06])|7(?:[03][16]|10|2[03]|4[1579]|5[38]|6[04]|7[25]|8[479]|9[013569])|8(?:0[479]|1[257]|2[0157-9]|3[18]|[46]4|5[17]|7[0-25]|8[047]|9[029])|9(?:0[135-9]|1[02358]|2[1-359]|3[1-57]|40|5[124578]|6[01]|7[489]|8[0-268]|9[0236]))\\d{4}$", "voip": "^\\+1864(?:2(?:03|1[045]|6[35]|90)|3(?:[23]6|62|[78]3)|4(?:1[02]|28|53)|5(?:[14]9|23|3[26]|6[458]|71|8[48])|6(?:2[56]|35|5[179]|6[46-8]|71|86|9[1-4])|7(?:07|1[23]|2[79]|3[2457-9]|4[038]|5[0459]|6[357-9]|7[146-9]|8[0-3568]|9[24])|8(?:0[08]|1[68]|2[246]|3[07]|42|5[46]|6[035-7]|74|9[134])|9(?:00|1[47]|2[046-8]|[56]6|71|9[79]))\\d{4}$" }, "sandbox": { "input": "+18645550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+18645550123", "international": "+1 864-555-0123", "national": "(864) 555-0123", "rfc3966": "tel:+1-864-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "864", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 864?", "answer": "Area code 864 is in South Carolina, in the United States: all 800 of its exchanges on record are there. From abroad it is dialled +1 864, then the seven-digit number." }, { "question": "Is a 864 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 864, 274 (34%) were allocated as mobile, 398 (50%) as fixed line, 115 (14%) as VoIP and 13 (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 864?", "answer": "40 carriers hold exchanges in 864 on record; the most: AT&T (258), Verizon (102) and Paetec Itel (78). 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 864 phone number?", "answer": "In E.164 a 864 number matches ^\\+1864[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 (864) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-803", "us-821", "us-839", "us-843", "us-854" ], "previous": "us-863", "next": "us-865" }, "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" } ] } }