Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-551 8 Kennett MO STLSMOGZ6MD  073H TELNYX LLC 520   2017-06-13   
573-551 9 Kennett MO   145J TERRA NOVA TELECOM INC. 520   2026-03-16   
573-552 A Lake Ozark-Osage Beach MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-552 0 Lake Ozark-Osage Beach MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-552 1 Lake Ozark-Osage Beach MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-02-17   
573-552 2 Lake Ozark-Osage Beach MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-03-11   
573-552 4 Lake Ozark-Osage Beach MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-01-23   
573-552 5 Lake Ozark-Osage Beach MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-07-05   
573-552 6 Lake Ozark-Osage Beach MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-07-05   
573-552 7 Lake Ozark-Osage Beach MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2007-01-12   
573-552 8 Lake Ozark-Osage Beach MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2007-07-22   
573-552 9 Lake Ozark-Osage Beach MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-553 A Westphalia MO JFCYMOXAXKX  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 521      
573-553 0 Westphalia MO JFCYMOXA22Z  490J BOOST SUBSCRIBERCO L.L.C. 521   2023-07-31   
573-553 3 Westphalia MO JFCYMOXAXHX  093F ONVOY, LLC - MO 521   2021-03-06   
573-553 6 Westphalia MO JFCYMOXAXKX  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 521   2011-09-10   
573-553 7 Westphalia MO CLMAMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 521   2014-07-31   
573-554 A Columbia MO CLMAMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 521      
573-554 0 Columbia MO   6529 T-MOBILE USA, INC. 521   2016-12-09   
573-554 1 Columbia MO CLMAMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 521   2016-04-20   
573-554 2 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2013-11-01   
573-554 3 Columbia MO CLMAMOWB0MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 521   2014-11-04   
573-554 4 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2015-02-13   
573-554 5 Columbia MO CLMAMOXAQMD  554A SOCKET TELECOM, LLC - MO 521   2013-09-20   
573-554 6 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2015-02-13   
573-554 7 Columbia MO CLMAMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 521   2013-08-01   
573-554 8 Columbia MO   6529 T-MOBILE USA, INC. 521   2018-06-21   
573-554 9 Columbia MO   792K CHARTER IP ENABLED SERVICES, LLC 521   2015-06-13   
573-556 A Jefferson City MO JFCYMOXADS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 521      
573-557 A Eldon MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-557 0 Eldon MO   515J IP HORIZON LLC 520   2013-12-19   
573-557 1 Eldon MO STLSMOGZ6MD  073H TELNYX LLC 520   2018-07-23   
573-557 2 Eldon MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2007-07-22   
573-557 3 Eldon MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2002-06-29   
573-557 4 Eldon MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-05   
573-557 5 Eldon MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
573-557 6 Eldon MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-05   
573-557 7 Eldon MO   6529 T-MOBILE USA, INC. 520   2025-03-14   
573-557 8 Eldon MO STLSMO09WMD  516C AT&T CORP. 520   2011-10-04   
573-557 9 Eldon MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-18   
573-558 A Redford MO ELTNMOXADS0  1874 ELLINGTON TEL. CO. 520      
573-559 A Kennett MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-559 0 Kennett MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-08-01   
573-559 1 Kennett MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-08-01   
573-559 2 Kennett MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2003-09-22   
573-559 3 Kennett MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2002-06-29   
573-559 4 Kennett MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-03-21   
573-559 5 Kennett MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2005-04-14   
573-559 6 Kennett MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-09-15   
573-559 8 Kennett MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2009-03-05   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.