Area Code — 423

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Phone numbers in area code 423 cover the cities of Apison, Athens, Bakewell, Sale Creek, Benton, Birchwood, Calhoun, Charleston, Cleveland, Cleveld, Coker Creek, Collegedale, Conasauga, Old Fort, Copperhill, Postelle, Dayton, Decatur, Clevelnd, Delano, Ducktown, Dunlap, Englewood, Etowah, Evensville, Farner, Georgetown, Grand View, Grandview, Spring City, Graysville, Guild, Harrison, Hixson, Jasper, Kimball, Manchester, Lookout Mountain, Lookout Mtn, Lupton City, Mc Donald, Madisonville, Ocoee, College Dale, Ooltewah, Pikeville, Reliance, Riceville, Sequatchie, Signal Mountain, Signal Mtn, Walden, Lakesite, Soddy Daisy, Soddy-daisy, New Hope, Orme, S Pittsburg, South Pittsburg, Watts Bar Dam, Tellico Plains, Tellico Plns, Turtletown, Whiteside, Powells Crossroads, Powells Crsrd, Whitwell, Chattanooga, Ridgeside, East Ridge, Chatt, Chatta, Red Bank, Chickamauga, Jc, Johnson City, East Tn State Univ, Etsu, Gray, Afton, Blountville, Bluff City, Bristol, Butler, Chuckey, Chucky, Church Hill, Elizabethton, Mount Carmel, Mt Carmel, Erwin, Fall Branch, Flag Pond, Hampton, Jonesboro, Jonesborough, Bloomingdale, Kingsport, Colonial Heights, Colonial Hgts, Kingsport Book, Laurel Blmry, Laurel Bloomery, Limestone, Milligan, Milligan Coll, Milligan College, Mountain City, Mountain Home, Mtn Home, Piney Flats, Roan Mountain, Shady Valley, Telford, Trade, Unicoi, Watauga, Home Shopping Network, Arthur, Harrogate, Bulls Gap, Bybee, Caryville, Clairfield, Cosby, Cumb Gap, Cumberland Gap, Cumberland Gp, Deer Lodge, Del Rio, Duff, La Follette, Eagan, Eidson, Elgin, Rugby, Baileyton, Greeneville, Tusculum Coll, Tusculum, Hartford, Helenwood, New River, Huntsville, Norma, Jacksboro, Jellico, Kyles Ford, Lafollette, Morley, Lancing, Lone Mountain, Midway, Mohawk, Mooresburg, Morristown, Mosheim, Newcomb, Newport, New Tazewell, Niota, Oakdale, Oneida, Parrottsville, Petros, Pioneer, Pruden, Glen Mary, Robbins, Rogersville, Russellville, Shawanee, Sneedville, Speedwell, Burrville, Sunbright, Surgoinsville, Sweetwater, Talbott, Tazewell, Ten Mile, Vonore, Wartburg, Whitesburg, Winfield in TN

The 423 area code covers the zip codes 37302, 37303, 37304, 37307, 37308, 37309, 37310, 37311, 37312, 37314, 37315, 37316, 37317, 37320, 37321, 37322, 37323, 37325, 37326, 37327, 37329, 37331, 37332, 37333, 37336, 37337, 37338, 37340, 37341, 37343, 37347, 37349, 37350, 37351, 37353, 37354, 37361, 37362, 37363, 37364, 37367, 37369, 37370, 37371, 37373, 37374, 37377, 37379, 37380, 37381, 37384, 37385, 37391, 37396, 37397, 37401, 37402, 37403, 37404, 37405, 37406, 37407, 37408, 37409, 37410, 37411, 37412, 37414, 37415, 37416, 37419, 37421, 37422, 37424, 37450, 37601, 37602, 37604, 37605, 37614, 37615, 37616, 37617, 37618, 37620, 37621, 37625, 37640, 37641, 37642, 37643, 37644, 37645, 37650, 37656, 37657, 37658, 37659, 37660, 37662, 37663, 37664, 37665, 37669, 37680, 37681, 37682, 37683, 37684, 37686, 37687, 37688, 37690, 37691, 37692, 37694, 37699, 37707, 37711, 37713, 37714, 37715, 37722, 37724, 37726, 37727, 37729, 37730, 37731, 37732, 37733, 37743, 37744, 37745, 37752, 37753, 37755, 37756, 37757, 37762, 37765, 37766, 37770, 37773, 37809, 37810, 37811, 37813, 37814, 37815, 37816, 37818, 37819, 37821, 37825, 37826, 37829, 37841, 37843, 37845, 37847, 37851, 37852, 37857, 37860, 37867, 37869, 37870, 37872, 37873, 37874, 37877, 37879, 37880, 37885, 37887, 37891, 37892 in TN

Rate centers: MORRISTOWN, LAFOLLETTE, JOHNSON CY, XXXXXXXXXX, MIDWAY, CHATTNOOGA, TELLICO PL, BLOUNTVL, ELIZABTHTN, ENGLEWOOD, ONEIDA, BENTON, BRISTOL, COPPERBSIN, ERWIN, KINGSPORT, CHURCHHILL, SO PITTSBG, BAILEYTON, BULLS GAP, APISON, NEWPORT, OOLTEWAH, MIDWAY SUL, SODDYDAISY, CLEVELAND, FORK RIDGE, ATHENS, LIMESTONE, NEWTAZWELL, COKERCREEK, ETOWAH, VONORE, SWEETWATER, ROGERSVL, GREENEVL, BUTLER, DAYTON, MOUNTAINCY, FALLBRANCH, BALL PLAY, SNEEDVILLE, HUNTSVILLE, PETROS, DECATUR, CHARLESTON, SURGOINSVL, WARTBURG, SULIVNGDNS, PIKEVILLE, SPRINGCITY, OAKDALE, JELLICO, MADISONVL, BLUFF CITY, COLLEGEDL, MOSHEIM, CUMBERLDGP, RICEVILLE, STONEY CRK, ROAN MT, GEORGETOWN, NINE MILE, COLLEGESTA, KNOXVILLE, NIOTA, ROBBINS, SUNBRIGHT, WHITWELL, HAMPTON, SHADY VLY, JONESBORO, FLCRKFALLS, JASPER, CLINCHPORT, DUNLAP, DEER LODGE

Companies: LEVEL 3 COMMUNICATIONS, LLC, NEXTEL COMMUNICATIONS, INC., BIRCH COMMUNICATIONS, INC., BROOKS FIBER COMMUNICATIONS OF TENNESSEE, INC., NUVOX COMMUNICATIONS, NEW CINGULAR WIRELESS PCS, LLC - GA, CELLCO PARTNERSHIP DBA VERIZON WIRELESS, NETWORK TELEPHONE CORPORATION, COMCAST PHONE OF TENNESSEE, LLC, CHARTER FIBERLINK - TENNESSEE, LLC, BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL, USA MOBILITY WIRELESS, INC., BANDWIDTH.COM CLEC, LLC, SPRINT SPECTRUM L.P., UNITED STATES CELLULAR CORP. - TENNESSEE, US LEC OF TENNESSEE, INC, TELCOVE OPERATIONS, INC., PAGEPRO CORPORATION, UNITED TELEPHONE-SOUTHEAST DBA CENTURYLINK, ALEC, LLC, POWERTEL ATLANTA LICENSES, INC., DELTACOM, INC., SBC INTERNET SERVICES, INC., PRO PAGE PARTNERS, LLC, CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK, TCG MIDSOUTH, INC., TELLICO TELEPHONE CO., INC., BUSINESS TELECOM INC. - BTI, WINDSTREAM NORLIGHT, INC., MOUNTAINET TELEPHONE COMPANY, POWERTEL NASHVILLE LICENSES, INC., BIG RIVER TELEPHONE COMPANY, LLC, PAGER ONE OF FLORIDA - TENNESSEE, HIGHLAND TELEPHONE COOPERATIVE, INC., AT&T LOCAL, YMAX COMMUNICATIONS CORP., SUNCOM DBA T-MOBILE USA, CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION, ELECTRIC POWER BOARD OF CHATTANOOGA, CRICKET COMMUNICATIONS, INC., SI WIRELESS, LLC, BANANA COMMUNICATIONS VENTURES, LLC DBA SMART PCS, METRO BEEPER SERVICE, INC., PEACE COMMUNICATIONS, LLC, BLEDSOE TELEPHONE COOPERATIVE, COVISTA, INC., HALO WIRELESS, INC, NEUTRAL TANDEM-TENNESSEE, LLC, CENTURYTEL OF CLAIRBORNE DBA CENTURYLINK-CLAIBORNE, CELLULAR PAGE, ETC COMMUNICATIONS, LLC, BRISTOL TENNESSEE ESSENTIAL SERVICES, EAST TENNESSEE NETWORK, LLC, MOUNTAINET TELEPHONE COMPANY-VA, TELESCAN, INC., NA COMMUNICATIONS, INC., CENTURYTEL SOLS, LLC DBA CENTRUYLINK SOL, SKYLINE TELEPHONE MEMBERSHIP CORP., SCOTT COUNTY TELEPHONE COOPERATIVE, INC.

List of 423 Area-Code Phone Number Prefixes

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