{ "url": "https://phonelookup.dev/prefix/us-936", "npa": "936", "slug": "us-936", "iso": "US", "country": "United States", "regions": [ { "code": "TX", "name": "Texas", "exchanges": 460 } ], "exchanges": 460, "known": 422, "byLineType": { "fixed_line": 219, "mobile": 101, "unknown": 38, "voip": 102 }, "carriers": [ { "name": "AT&T", "exchanges": 87, "byLineType": { "fixed_line": 45, "mobile": 41, "voip": 1 }, "ranges": [ "201", "204", "208", "212", "217", "219", "230", "238–242", "253–254", "257–258", "275", "285", "288", "291", "293–295", "297", "299", "320", "331–334", "336", "346", "348–349", "354–355", "357", "362", "366", "370", "372", "389", "398", "404", "417", "433", "435–439", "462", "465", "468", "488", "496", "552–554", "556", "558–560", "564", "568–569", "572", "590–591", "596", "598", "615", "629", "635", "645", "652", "661–662", "689", "697", "715", "730", "827–828", "857", "900", "931" ] }, { "name": "Consolidated Communications", "exchanges": 57, "byLineType": { "fixed_line": 57 }, "ranges": [ "202", "231–232", "264", "266–267", "271", "273", "276", "321", "335", "441–442", "444–449", "494", "520–525", "538–539", "582", "588", "597", "630–634", "637", "639", "671", "674–676", "699", "709", "756", "760", "788", "824", "829", "831", "853–854", "858", "867", "869", "875", "879" ] }, { "name": "Lumen", "exchanges": 44, "byLineType": { "fixed_line": 37, "voip": 7 }, "ranges": [ "205", "235–236", "251", "256", "259", "270", "282", "290", "301–302", "307", "337", "340", "342", "350", "373", "427", "463", "483", "495", "534", "570–571", "585", "622", "647", "649", "657", "679", "681", "720", "755", "776", "825", "851", "870", "873–874", "878", "894", "909", "978", "994" ] }, { "name": "Windstream", "exchanges": 38, "byLineType": { "fixed_line": 38 }, "ranges": [ "220", "226–227", "237", "246", "248", "260", "269", "278–279", "312", "326", "347", "356", "369", "394–396", "399", "410", "422", "544–546", "594", "624", "636", "638", "642", "655", "687", "744", "852", "855", "872", "876", "891", "897" ] }, { "name": "T-Mobile", "exchanges": 36, "byLineType": { "mobile": 36 }, "ranges": [ "200", "207", "209", "221", "223", "225", "229", "244", "250", "252", "255", "263", "286", "314", "323–324", "330", "338", "364", "371", "391", "405", "407", "414", "419", "443", "461", "499", "526", "648", "650", "668", "672", "714", "718", "899" ] }, { "name": "Onvoy", "exchanges": 33, "byLineType": { "voip": 33 }, "ranges": [ "247", "249", "265", "277", "287", "289", "292", "296", "300", "306", "308", "313", "317", "319", "322", "325", "353", "363", "379", "385", "393", "400", "403", "502", "693", "706", "810", "910", "930", "935", "937", "939", "955" ] }, { "name": "Verizon", "exchanges": 25, "byLineType": { "fixed_line": 6, "mobile": 19 }, "ranges": [ "203", "215", "218", "222", "234", "243", "245", "262", "274", "283", "298", "352", "358", "380", "402", "536–537", "549", "577", "581", "587", "641", "707", "727", "933" ] }, { "name": "Fractel", "exchanges": 20, "byLineType": { "voip": 20 }, "ranges": [ "345", "386", "388", "466", "477", "529", "599", "667", "677", "688", "758", "766", "786", "799", "842", "866", "877", "946", "966", "977" ] }, { "name": "Peerless Network", "exchanges": 13, "byLineType": { "voip": 13 }, "ranges": [ "206", "500", "504–506", "508–510", "513–515", "600", "800" ] }, { "name": "COMMIO LLC", "exchanges": 10, "byLineType": { "voip": 10 }, "ranges": [ "343", "351", "359–360", "381–384", "401", "895" ] }, { "name": "Eastex Telephone Cooperative", "exchanges": 10, "byLineType": { "fixed_line": 10 }, "ranges": [ "365", "368", "377", "563", "646", "653", "685", "767", "967", "969" ] }, { "name": "Bandwidth.com", "exchanges": 8, "byLineType": { "voip": 8 }, "ranges": [ "213", "272", "280", "303–304", "310", "339", "666" ] }, { "name": "Ton80 Communications", "exchanges": 7, "byLineType": { "voip": 7 }, "ranges": [ "374", "397", "542", "548", "742", "746", "837" ] }, { "name": "Optimum", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "233", "284", "305", "315", "701", "703" ] }, { "name": "Frontier", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "228", "344", "628", "856", "890" ] }, { "name": "Livingston Telephone Company", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "327–329", "425" ] }, { "name": "Astound Broadband", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "261", "367", "818" ] }, { "name": "Worldcall Interconnect", "exchanges": 3, "byLineType": { "mobile": 3 }, "ranges": [ "777", "888", "999" ] }, { "name": "Paetec Itel", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "375", "420" ] }, { "name": "Tex-Link", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "309", "612" ] }, { "name": "Comcast", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "224" ] }, { "name": "Eastex Celco", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "268" ] }, { "name": "Lake Livingston Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "566" ] }, { "name": "Nuso", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "341" ] }, { "name": "Spectrum", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "316" ] }, { "name": "Teletouch", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "216" ] }, { "name": "Twilio International", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "932" ] }, { "name": "USA Mobility", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "732" ] }, { "name": "Voip Street", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "376" ] } ], "grid": "mmfmmfvmmmuumvummmmmfmmmvmfffmmfffmvffmmmfmmmmfvfvmvmvfmvffvfffmfvffffffvffffvffvufmfmmvfvffvfffvmfmvvvvvfvfvfvufvmffvuvmfvmmvffffmfmmffffmvfffvfvfffffvmvfmfmmvvufvmfmfffmmffvfvf-vmvvvvvv-vf-m-vfffvffvvmvmm-m-ufu--m--f-mf-f--f-f--u-um-fffff-ffmffffff-----------mff-mv-fu-------v-----f----m-----fff--mv-v-vvv-vvvuuvvv----ffffffm--v----f-fmff--v-fff-vf--fmmum-fff--ff-f-ffffm----m---mf--f-ff-ff--f-fffvv----------uf--m------f-f---fmfffffmffff-mf--mffmfm-mf-f-f---mm---vvm--fm-fffv-f-fu--f-fvm---v---m-fuf-f--vm-f-u-umf--m-f------m--f-m---------v-f-v--------ff-v-f-----vf--------fm--------v-f----------vv-----u---vu-----uf-----ff-mmfufu----v----v--------ffffffff-------vf-ff-fffffvff--------m-ff--fv-f-mm--u-----fvu---u--------------vfvm-vuv-vu-----v---u----vu-uu------vf-f--u---uvvu--------u-----f----m", "patterns": { "all": "^\\+1936[2-9]\\d{6}$", "fixed_line": "^\\+1936(?:2(?:0[25]|2[06-8]|3[1-367]|4[168]|5[478]|6[0-246-9]|7[013-689]|8[248]|9[013-58])|3(?:0[579]|1[256]|2[16-9]|3[14-7]|4[0-246-9]|5[046]|6[257-9]|7[2357]|89|9[4-689])|4(?:1[07]|2[0257]|3[5-9]|4[124-9]|6[238]|83|9[4-6])|5(?:2[0-5]|3[4689]|4[4-69]|5[289]|6[034689]|7[01]|8[2578]|9[0146-8])|6(?:12|2[248]|3[0-46-9]|4[2679]|5[357]|7[14-69]|8[157]|99)|7(?:0[139]|15|[23]0|44|5[56]|6[07]|76|88)|8(?:18|2[459]|31|5[1-8]|6[79]|7[02-689]|9[0147])|9(?:09|31|6[79]|94))\\d{4}$", "mobile": "^\\+1936(?:2(?:0[01347-9]|1[25-9]|2[1-359]|3[0489]|4[02-5]|5[025]|63|8[356]|9[79])|3(?:14|2[034]|3[0238]|5[2578]|6[46]|7[01]|80|91)|4(?:0[2457]|1[49]|[34]3|6[15]|88|99)|5(?:26|37|5[346]|7[27]|81)|6(?:[13]5|[28]9|4[158]|5[02]|6[128]|72|97)|7(?:[027]7|1[48]|32)|8(?:2[78]|88|99)|9(?:00|33|99))\\d{4}$", "voip": "^\\+1936(?:2(?:06|13|24|[36]5|4[79]|5[1369]|7[27]|8[079]|9[26])|3(?:0[0-468]|1[0379]|2[25]|39|4[35]|5[139]|6[03]|7[469]|8[1-68]|9[37])|4(?:0[013]|66|77)|5(?:0[024-689]|1[03-5]|[29]9|4[28])|6(?:00|6[67]|77|88|93)|7(?:[068]6|4[26]|58|99)|8(?:[01]0|[37]7|42|66|95)|9(?:10|3[02579]|[46]6|55|7[78]))\\d{4}$" }, "sandbox": { "input": "+19365550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+19365550123", "international": "+1 936-555-0123", "national": "(936) 555-0123", "rfc3966": "tel:+1-936-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "936", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 936?", "answer": "Area code 936 is in Texas, in the United States: all 460 of its exchanges on record are there. From abroad it is dialled +1 936, then the seven-digit number." }, { "question": "Is a 936 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 460 exchanges on record in 936, 101 (22%) were allocated as mobile, 219 (48%) as fixed line, 102 (22%) as VoIP and 38 (8%) 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 936?", "answer": "29 carriers hold exchanges in 936 on record; the most: AT&T (87), Consolidated Communications (57) and Lumen (44). 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 936 phone number?", "answer": "In E.164 a 936 number matches ^\\+1936[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 (936) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-210", "us-214", "us-254", "us-281", "us-325", "us-346", "us-361", "us-409", "us-430", "us-432", "us-469", "us-512", "us-682", "us-713", "us-726", "us-737", "us-806", "us-817", "us-830", "us-832", "us-903", "us-915", "us-940", "us-945", "us-956", "us-972", "us-979" ], "previous": "us-934", "next": "us-937" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 460, "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" } ] } }