Area Code 303

Area Code 303 Details

TimezoneMountain
CitiesDenver, ALLENSPARK, AURORA, BENNETT, BRIGHTON, BYERS, DEER TRAIL, DENVER, ENGLEWOOD, FORT LUPTON, GOLDEN, HUDSON, IDAHO SPRINGS, KEENESBURG, LITTLETON, LONGMONT, LOUISVILLE, LYONS, ROGGEN, SEDALIA, STRASBURG, AGATE, AGUILAR, ALAMOSA, ANTONITO, ARRIBA, AVONDALE, BEULAH, BLANCA, BRANSON, BUENA VISTA, BURLINGTON, CALHAN, CAMPO, CANON CITY, CASCADE, CENTER, CHEYENNE WELLS, COLORADO SPRINGS, CREEDE, CRIPPLE CREEK, DEL NORTE, EADS, FAIRPLAY, FLAGLER, FLORENCE, FOUNTAIN, FOWLER, GARDNER, HARTSEL, HASWELL, HOLLY, HOOPER, HOWARD, HUGO, KARVAL, KIM, KIT CARSON, LA JARA, LA JUNTA, LA VETA, LAKE GEORGE, LAMAR, LAS ANIMAS, LEADVILLE, LIMON, MANITOU SPRINGS, MANZANOLA, MOFFAT, MONTE VISTA, ORDWAY, PENROSE, PEYTON, PRITCHETT, PUEBLO, PUEBLO WEST, ROCKY FORD, RYE, SAGUACHE, SALIDA, SAN LUIS, SANFORD, SHERIDAN LAKE, SIMLA, SPRINGFIELD, STRATTON, TRINIDAD, TWO BUTTES, U S A F ACADEMY, VILLA GROVE, WALSENBURG, WALSH, WESTCLIFFE, WESTON, WILEY, YODER, HENDERSON, AKRON, AMHERST, ANTON, ASPEN, BASALT, BAYFIELD, BEDROCK, BERTHOUD, BRECKENRIDGE, BRIGGSDALE, BRUSH, CARBONDALE, CARR, CEDAREDGE, CIMARRON, COLLBRAN, COPE, CORTEZ, CRAIG, CRAWFORD, CRESTED BUTTE, CROOK, DE BEQUE, DELTA, DILLON, DINOSAUR, DOLORES, DOVE CREEK, DURANGO, EATON, ECKERT, ECKLEY, EDWARDS, ESTES PARK, FLEMING, FORT COLLINS, FORT MORGAN, FRUITA, FT COLLINS, GATEWAY, GLENWOOD SPRINGS, GRANBY, GRAND JCT, GRAND LAKE, GREELEY, GROVER, GUNNISON, GYPSUM, HAXTUN, HAYDEN, HESPERUS, HILLROSE, HOLYOKE, HOTCHKISS, IDALIA, IGNACIO, JOES, JOHNSTOWN, JULESBURG, KIRK, KREMMLING, LA SALLE, LAKE CITY, LOVELAND, MANCOS, MAYBELL, MC COY, MEAD, MEEKER, MESA, MONTROSE, NEDERLAND, NEW CASTLE, NEW RAYMER, NUCLA, NUNN, OAK CREEK, OLATHE, OTIS, OVID, PAGOSA SPGS, PAGOSA SPRINGS, PALISADE, PAONIA, PARACHUTE, PARSHALL, PEETZ, PLATTEVILLE, PLEASANT VIEW, RANGELY, RED FEATHER LAKES, REDVALE, RIDGWAY, RIFLE, SILT, SLATER, SOMERSET, STEAMBOAT SPRINGS, STERLING, STONEHAM, TOPONAS, VAIL, WALDEN, WELDONA, WELLINGTON, WIGGINS, WILLARD, WINDSOR, WOODROW, WRAY, YUMA, Colorado Springs, Fort Collins

Area Code 303 prefixes

CodeOther CitiesTimezoneCountyLatitudeLongitudeDaylight Saving TimeConnection TypeNXX Created AtZip CodeFipsLataCarrierOverlayRate CenterOcnCoverage AreaActive
303-8007JEFFERSON39.74540000-105.05120000L2001-03-03 00:00:00802148059656LEVEL 3 COMMUNICATIONS, LLC - CODENVER6118DENVER
303-8017DENVER39.74670000-104.99480000L1997-10-11 00:00:00802948031656MCIMETRO ACCESS TRANSMISSION SERVICES, LLCDENVER7229DENVER
303-8027DENVER39.74670000-104.99480000L1996-01-10 00:00:00802028031656LEVEL 3 TELECOM OF COLORADO, LLC - CODENVER4574DENVER
303-8037DENVER39.74540000-105.05120000L1996-04-15 00:00:00802048031656LEVEL 3 TELECOM OF COLORADO, LLC - CODENVER4574DENVER
303-8047DENVER39.59900000-104.90240000L1996-04-15 00:00:00802378031656QWEST CORPORATIONDENVER9636DENVER
303-8057JEFFERSON39.74540000-105.05120000L1996-04-15 00:00:00802148059656QWEST CORPORATIONDENVER9636DENVER
303-8067DENVER39.65780000-104.98600000L1996-04-15 00:00:00802238031656QWEST CORPORATIONDENVER9636DENVER
303-8077DENVER39.74540000-105.05120000W1995-02-11 00:00:00802128031656NEW CINGULAR WIRELESS PCS, LLCDENVER6010DENVER
303-8087JEFFERSON39.74540000-105.05120000W1995-02-11 00:00:00802148059656NEW CINGULAR WIRELESS PCS, LLCDENVER6010DENVER
303-8097JEFFERSON39.74540000-105.05120000W1994-09-11 00:00:00802148059656NEW CINGULAR WIRELESS PCS, LLCDENVER6010DENVER
303-8107DENVER39.74540000-105.05120000W1996-01-10 00:00:00802048031656NEW CINGULAR WIRELESS PCS, LLCDENVER6010DENVER
303-81170.000000000.00000000N/A
303-8127DENVER39.73700000-104.97370000L1994-09-11 00:00:00802188031656QWEST CORPORATIONDENVER9636DENVER
303-8137DENVER39.73700000-104.97370000L1996-01-10 00:00:00802188031656QWEST CORPORATIONDENVER9636DENVER
303-8147JEFFERSON39.74540000-105.05120000L1996-04-15 00:00:00802148059656QWEST CORPORATIONDENVER9636DENVER
303-8157DENVER39.74540000-105.05120000L2005-02-03 00:00:00802128031656INTERLINK ADV SVC DBA FORETHOUGHT.NET - CODENVER5972DENVER
303-8167JEFFERSON39.74540000-105.05120000L1996-04-15 00:00:00802148059656QWEST CORPORATIONDECKERS9636DENVER
303-8177DENVER39.74540000-105.05120000W1996-01-10 00:00:00802128031656CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVER6567DENVER
303-8187DENVER39.74540000-105.05120000W1995-02-11 00:00:00802128031656CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVER6567DENVER
303-8197JEFFERSON39.74540000-105.05120000W1995-02-11 00:00:00802148059656CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVER6567DENVER
303-8207DENVER39.74670000-104.99480000L1994-02-04 00:00:00802948031656QWEST CORPORATIONDENVER9636DENVER
303-8217DENVER39.74540000-105.05120000W1994-02-04 00:00:00802128031656USA MOBILITY WIRELESS, INC.DENVER6630DENVER
303-8227ARAPAHOE39.69890000-104.22280000L1994-02-04 00:00:00801038005656BIJOU TELEPHONE COOPERATIVE ASSOCIATION, INC.BYERS2181BYERS
303-8237BOULDER40.22370000-105.26380000L1994-02-04 00:00:00805408013656QWEST CORPORATIONALLNSPKLYN9636LYONS
303-8247ARAPAHOE39.66700000-104.86330000L1997-01-11 00:00:00800148005656TELEPORT COMMUNICATIONS AMERICA, LLC - CODENVER7378DENVER
303-8257DENVER39.74670000-104.99480000L1994-02-04 00:00:00802948031656QWEST CORPORATIONDENVER9636DENVER
303-8267JEFFERSON39.74540000-105.05120000W1994-02-04 00:00:00802148059656USA MOBILITY WIRELESS, INC.DENVER6630DENVER
303-8277BOULDER40.16330000-105.10610000L1997-04-01 00:00:00805038013656ICG TELECOM GROUP - COLONGMONT7801LONGMONT
303-8287DENVER39.74540000-105.05120000L1994-02-04 00:00:00802128031656QWEST CORPORATIONDENVER9636DENVER
303-8297DENVER39.74540000-105.05120000W1994-02-04 00:00:00802128031656CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVER6567DENVER
303-8307DENVER39.73700000-104.97370000L1994-02-04 00:00:00802998031656QWEST CORPORATIONDENVER9636DENVER
303-8317DENVER39.73700000-104.97370000L1994-02-04 00:00:00802388031656QWEST CORPORATIONDENVER9636DENVER
303-8327DENVER39.73700000-104.97370000L1994-02-04 00:00:00802998031656QWEST CORPORATIONDENVER9636DENVER
303-8337JEFFERSON39.74540000-105.05120000L1994-02-04 00:00:00802148059656QWEST CORPORATIONDENVER9636DENVER
303-8347BOULDER40.16330000-105.10610000W2006-09-27 00:00:00805018013656CELLCO PARTNERSHIP DBA VERIZON WIRELESS - COLONGMONT6567LONGMONT
303-8357ADAMS39.98440000-104.81420000L1997-01-11 00:00:00806028001656LEVEL 3 COMMUNICATIONS, LLC - CODENVER6118BRIGHTON
303-8367DENVER39.74540000-105.05120000W1994-02-04 00:00:00802048031656COMMUNICATIONS UNLIMITEDDENVER6907DENVER
303-8377DENVER39.73700000-104.97370000L1994-02-04 00:00:00802998031656QWEST CORPORATIONDENVER9636DENVER
303-8387DENVER39.74540000-105.05120000L1994-02-04 00:00:00802128031656QWEST CORPORATIONDECKERS9636DENVER
303-8397DENVER39.73700000-104.97370000L1994-02-04 00:00:00802188031656QWEST CORPORATIONDENVER9636DENVER
303-8407JEFFERSON39.74540000-105.05120000L1994-02-04 00:00:00802148059656QWEST CORPORATIONDENVER9636DENVER
303-8417JEFFERSON39.74540000-105.05120000L1994-02-04 00:00:00802148059656QWEST CORPORATIONDENVER9636DENVER
303-8427DENVER39.74230000-104.99650000W1998-01-25 00:00:00802938031656CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVER6567DENVER
303-8437ARAPAHOE39.59900000-104.90240000L1994-02-04 00:00:00800148005656QWEST CORPORATIONDENVER9636DENVER
303-8447DENVER39.74670000-104.99480000L1994-02-04 00:00:00802028031656QWEST CORPORATIONDENVER9636DENVER
303-8457BOULDER40.16330000-105.10610000L1998-01-25 00:00:00805018013656TELEPORT COMMUNICATIONS AMERICA, LLC - COLONGMONT7378LONGMONT
303-8467DENVER39.59900000-104.90240000L1997-01-11 00:00:00802378031656QWEST CORPORATIONDENVER9636DENVER
303-8477DENVER39.74720000-104.97600000L1997-01-11 00:00:00802388031656LEVEL 3 COMMUNICATIONS, LLC - CODENVER6118DENVER
303-8487BOULDER40.16330000-105.10610000L1997-04-01 00:00:00805038013656ICG TELECOM GROUP - COLONGMONT7801LONGMONT
303-8497MORGAN40.16480000-104.37250000L1994-02-04 00:00:00806498087656ROGGEN TELEPHONE COOPERATIVE CO.ROGGEN2202ROGGEN