{ "url": "https://phonelookup.dev/prefix/us-478", "npa": "478", "slug": "us-478", "iso": "US", "country": "United States", "regions": [ { "code": "GA", "name": "Georgia", "exchanges": 462 } ], "exchanges": 462, "known": 448, "byLineType": { "fixed_line": 200, "mobile": 143, "unknown": 14, "voip": 105 }, "carriers": [ { "name": "AT&T", "exchanges": 135, "byLineType": { "fixed_line": 93, "mobile": 38, "voip": 4 }, "ranges": [ "201", "204", "207–208", "228–229", "237", "240", "252–253", "260", "262–263", "272–275", "277", "279", "289", "293", "296", "301", "305", "316", "321–322", "324", "328–329", "349", "352", "361", "366", "374", "377", "383", "394", "396–397", "405", "407", "418", "421–422", "424", "434", "440–441", "448", "455", "464", "471", "474–477", "521–536", "542", "552–553", "569", "575", "596", "621", "625", "633", "646", "672", "703", "718–719", "722", "731", "737–738", "741–747", "749–752", "755", "757", "765", "779", "781", "784–785", "788", "795–796", "812", "822", "825", "827", "841", "864", "866–867", "918–919", "922–923", "929–930", "934", "974–975", "978–979", "982", "992–994" ] }, { "name": "Verizon", "exchanges": 52, "byLineType": { "fixed_line": 1, "mobile": 51 }, "ranges": [ "205–206", "230–235", "244", "251", "257–258", "261", "278", "283", "286", "290", "294", "297", "299", "308", "319", "331", "342", "353", "357", "363", "365", "370", "391", "406", "443", "456", "484", "494", "508", "538", "550", "595", "662", "697", "733", "776", "832", "951–952", "954–955", "957", "960", "972–973" ] }, { "name": "Onvoy", "exchanges": 49, "byLineType": { "voip": 49 }, "ranges": [ "210", "226", "250", "264", "266", "276", "280", "292", "306", "330", "339", "343", "345", "347", "368–369", "373", "375", "378", "380–382", "386", "395", "402–403", "408–409", "416", "425–427", "449", "466", "478–479", "578", "606", "666", "699", "707", "739", "778", "800", "818", "878", "887–888", "910" ] }, { "name": "T-Mobile", "exchanges": 32, "byLineType": { "mobile": 32 }, "ranges": [ "212–213", "227", "236", "256", "284", "288", "302", "317–318", "320", "334–335", "338", "390", "410", "417", "442", "447", "461", "491", "501", "607", "636", "696", "714", "772", "775", "777", "808", "997–998" ] }, { "name": "Windstream", "exchanges": 32, "byLineType": { "fixed_line": 32 }, "ranges": [ "218", "313", "376", "414", "433", "445", "451–454", "457–458", "472", "627–628", "804", "932–933", "936", "943", "945–946", "949", "953", "956", "962", "967–968", "971", "986–988" ] }, { "name": "Lumen", "exchanges": 20, "byLineType": { "fixed_line": 19, "voip": 1 }, "ranges": [ "202", "215–216", "220", "225", "238", "243", "246–247", "268", "287", "354", "384–385", "387", "392–393", "399", "787", "845" ] }, { "name": "Bandwidth.com", "exchanges": 14, "byLineType": { "voip": 14 }, "ranges": [ "200", "219", "239", "241–242", "312", "341", "346", "351", "389", "412", "420", "561", "721" ] }, { "name": "Paetec Itel", "exchanges": 13, "byLineType": { "fixed_line": 13 }, "ranges": [ "203", "222", "248", "314–315", "327", "444", "599", "602", "609", "640", "803", "926" ] }, { "name": "Comcast", "exchanges": 9, "byLineType": { "voip": 9 }, "ranges": [ "254", "259", "333", "340", "350", "359", "372", "401", "654" ] }, { "name": "SouthernLINC Wireless", "exchanges": 9, "byLineType": { "mobile": 9 }, "ranges": [ "214", "217", "221", "223", "285", "298", "429", "488", "588" ] }, { "name": "Emergency Networks", "exchanges": 7, "byLineType": { "mobile": 7 }, "ranges": [ "255", "404", "470", "480", "780", "874", "901" ] }, { "name": "Progressive Rural Telephone Cooperative", "exchanges": 7, "byLineType": { "fixed_line": 7 }, "ranges": [ "358", "463", "676", "689", "875", "983–984" ] }, { "name": "Pineland Telephone Cooperative", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "348", "364", "469", "589", "668", "763" ] }, { "name": "Public Service Telephone Company", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "836–837", "847", "862", "885", "935" ] }, { "name": "ComSouth", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "224", "271", "355", "413", "551" ] }, { "name": "Fractel", "exchanges": 5, "byLineType": { "voip": 5 }, "ranges": [ "300", "356", "500", "600", "758" ] }, { "name": "Pineland Telephone Communications", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "209", "249", "362", "419" ] }, { "name": "Spectrum", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "295", "304", "344", "677" ] }, { "name": "TELNYX", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "291", "309", "400", "999" ] }, { "name": "Ton80 Communications", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "663", "723", "732", "834" ] }, { "name": "ComSouth Telecommunications", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "783", "892–893" ] }, { "name": "Access2Go", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "307", "332" ] }, { "name": "Brightlink Communications", "exchanges": 2, "byLineType": { "mobile": 1, "voip": 1 }, "ranges": [ "270", "336" ] }, { "name": "Nuso", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "360", "379" ] }, { "name": "Porta-Phone Div of John H. Phipps", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "326", "736" ] }, { "name": "Terra Nova Telecom", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "877", "900" ] }, { "name": "8x8", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "880" ] }, { "name": "BroadRiver Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "437" ] }, { "name": "COMMIO LLC", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "870" ] }, { "name": "CSC Wireless LLC", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "303" ] }, { "name": "Callworks Corporation", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "398" ] }, { "name": "Dish Wireless", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "371" ] }, { "name": "Exiant", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "465" ] }, { "name": "HD Carrier", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "367" ] }, { "name": "IP Horizon", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "310" ] }, { "name": "Leap Telecom", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "415" ] }, { "name": "Mcc Telephony", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "559" ] }, { "name": "Opentact", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "587" ] }, { "name": "Peerless Network", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "337" ] }, { "name": "Public Service Wireless", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "583" ] }, { "name": "Skyetel", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "388" ] }, { "name": "Twilio International", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "895" ] }, { "name": "Vonage", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "245" ] }, { "name": "Wavenation", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "423" ] } ], "grid": "vffffmmfmfvummmvfmfvfmfmffvmmfmmmmmmmffvfvvfmvffffvmfvvmmfmvmmmmv-v-f-vfffffvfmmv--mmmmfmfmvvmmffmmmvfmmfvvvmvvuvfffmmmmmff-v-mfffvmvvmmmvmvvvmvfvvvfmvvmmffvmfvfmfmfmmvvvmmvvfvfmvfvvvmffvfvvmmffmvmmvfvvvvmfmmvvmuvfffvmmfvmmfmvvv-m---fm--f--fmmmff-mfv-ffffmmff--m-ffvv--fmff-ffffvvm---m---m--m--m-----vm------m--u---------mfffffffffffffff-m---f-------mfff-u---f-v-------f-----m--v----m---fmf-----mf--fv-f---vm-f-u---------f---f-ff----f--m---f-----f-------v-------mv--v-f---m---ff-----------f------mm-vu--f---v---u--m---mm-vfv-------mvm--mmfv-ffffffm-ffff--f-fv----f-f------m--mmmvfmf-fff-ff------mf---v--ff---m--uf-----v---f--f-v----m-v-ff---f---f-f--------------f-f-fm--v---mf-vv-v----f-vv---ff-v----vm--------vu------fm--ff--f--ff-fffff------f-ff--fummfmmfmuum-f----ff--fmmffu-mm--fff-fff---fff--mmv", "patterns": { "all": "^\\+1478[2-9]\\d{6}$", "fixed_line": "^\\+1478(?:2(?:0[1-479]|1[68]|2[02459]|3[78]|4[036-9]|5[27]|68|7[1-57]|8[79]|9[56])|3(?:0[14]|1[3-5]|2[127-9]|4[48]|5[458]|6[024]|7[469]|8[457]|9[239])|4(?:05|1[3-59]|23|3[37]|4[0458]|5[1-478]|6[349]|7[124-7])|5(?:2[2-9]|3[0-6]|42|5[1-39]|69|8[79]|9[69])|6(?:0[29]|2[1578]|33|4[06]|68|7[67]|89)|7(?:03|22|38|4[1-69]|5[0-257]|6[35]|79|8[13-578]|96)|8(?:0[34]|12|2[25]|3[67]|4[157]|6[246]|[78]5|9[23])|9(?:18|2[2369]|3[02-6]|4[3569]|5[36]|6[278]|7[145]|8[2-46-8]|9[2-4]))\\d{4}$", "mobile": "^\\+1478(?:2(?:0[568]|1[2-47]|2[1378]|3[0-6]|44|5[1568]|6[0-3]|7[89]|8[3-68]|9[0347-9])|3(?:0[238]|1[6-9]|2[06]|3[14-68]|4[29]|5[237]|6[1356]|7[017]|83|9[01467])|4(?:0[467]|1[078]|2[1249]|34|4[1-37]|5[56]|61|70|8[048]|9[14])|5(?:0[18]|21|38|50|[79]5|8[38])|6(?:07|36|[67]2|9[67])|7(?:1[489]|3[1367]|47|7[25-7]|80|95)|8(?:08|32|67|74)|9(?:01|19|5[12457]|60|7[2389]|9[78]))\\d{4}$", "voip": "^\\+1478(?:2(?:[08]0|1[059]|26|39|4[125]|5[0349]|6[46]|7[06]|9[12])|3(?:0[05-79]|1[02]|24|3[02379]|4[0135-7]|5[0169]|6[7-9]|7[2358]|8[0-2689]|9[58])|4(?:0[0-389]|1[26]|2[05-7]|49|6[56]|7[89])|5(?:00|61|78)|6(?:0[06]|54|6[36]|99)|7(?:07|2[13]|3[29]|[57]8)|8(?:00|18|27|34|[78][078]|95)|9(?:[01]0|99))\\d{4}$" }, "sandbox": { "input": "+14785550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+14785550123", "international": "+1 478-555-0123", "national": "(478) 555-0123", "rfc3966": "tel:+1-478-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "478", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 478?", "answer": "Area code 478 is in Georgia, in the United States: all 462 of its exchanges on record are there. From abroad it is dialled +1 478, then the seven-digit number." }, { "question": "Is a 478 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 462 exchanges on record in 478, 143 (31%) were allocated as mobile, 200 (43%) as fixed line, 105 (23%) as VoIP and 14 (3%) 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 478?", "answer": "44 carriers hold exchanges in 478 on record; the most: AT&T (135), Verizon (52) and Onvoy (49). 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 478 phone number?", "answer": "In E.164 a 478 number matches ^\\+1478[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 (478) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-229", "us-404", "us-470", "us-678", "us-706", "us-762", "us-770", "us-912", "us-943" ], "previous": "us-475", "next": "us-479" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 462, "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" } ] } }