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: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-551 A Boonville NC GNBONCCKX5X  7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 424      
336-551 0 Boonville NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2020-12-26   
336-551 1 Boonville NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2017-12-17   
336-551 2 Boonville NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2018-06-01   
336-551 3 Boonville NC GNBONCCKX5X  7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 424   2005-06-04   
336-551 4 Boonville NC ELKNNCXAX6X  793K TWC IP ENABLED SERVICES, LLC 424   2007-01-03   
336-551 5 Boonville NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2020-09-18   
336-551 6 Boonville NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2020-12-26   
336-551 7 Boonville NC GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2014-02-28   
336-551 8 Boonville NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2019-03-22   
336-551 9 Boonville NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2019-03-22   
336-552 A Reidsville NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-553 A Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2025-02-12   
336-553 0 Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-553 1 Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-553 2 Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-553 3 Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-553 4 Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-553 5 Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-553 6 Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-553 7 Greensboro NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2009-08-02   
336-553 8 Greensboro NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2009-08-02   
336-553 9 Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-554 A Greensboro NC GNBONCEU31Z  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-554 0 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2006-04-20   
336-554 1 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-03-25   
336-554 2 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-03-25   
336-554 3 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2007-01-16   
336-554 4 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2007-01-16   
336-554 5 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2007-01-16   
336-554 6 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2007-01-16   
336-554 7 Greensboro NC GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2010-12-30   
336-554 8 Greensboro NC GNBPNCDNDS1  7973 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 424   2013-09-13   
336-554 9 Greensboro NC GNBONCEU31Z  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-556 A Greensboro NC GNBONCEU51Z  6630 SPOK, INC. 424      
336-557 A Burlington NC GNBONCEU51Z  6630 SPOK, INC. 424      
336-558 A Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-558 0 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2007-02-21   
336-558 1 Greensboro NC GNBONCEU65Z  5562 METROPCS, INC. 424      
336-558 2 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2007-04-10   
336-558 3 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-558 4 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-558 5 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-558 6 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-558 7 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-558 8 Greensboro NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-558 9 Greensboro NC GNBONCEU65Z  5562 METROPCS, INC. 424      
336-559 A Elkin NC ELKNNCXADS0  0471 BRIGHTSPEED OF NORTH CAROLINA, LLC 424      
336-559 0 Elkin NC GNBONCEU65Z  5562 METROPCS, INC. 424   2022-09-16   
336-559 1 Elkin NC GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2018-04-01   

<< 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 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.