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.

OCN: 612K CSC VOICE, LLC

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
732-987 9 Lakewood NJ PRNYNJFPDS3  224   2006-05-10   
732-994 5 Lakewood NJ PRNYNJFPDS1  224   2011-10-05   
732-994 7 Lakewood NJ PRNYNJFPDS3  224   2011-04-22   
737-252 2 Liberty Hill TX   558   2018-12-17   
737-321 3 Elgin TX   558   2022-09-19   
737-347 A Bastrop TX AUSTTXHOX3X  558      
737-347 5 Bastrop TX   558   2022-12-18   
737-369 8 Rockdale TX   558   2024-04-14   
737-380 A Lampasas TX AUSTTXHOX3X  558      
737-380 3 Lampasas TX   558   2024-05-19   
737-702 7 Granger TX   558   2019-10-31   
737-746 4 Bertram TX   558   2022-11-17   
737-762 4 Smithville TX   558   2024-03-29   
740-208 5 Gallipolis OH   324   2014-03-01   
740-315 5 Belpre OH   324   2007-02-16   
740-336 7 Marietta OH   324   2011-04-18   
740-367 2 Cheshire (Gallia) OH   324   2014-03-01   
740-371 A Marietta OH CLMBOH1128Z  324      
740-371 4 Marietta OH   324   2014-01-05   
740-371 5 Marietta OH   324   2014-01-05   
740-428 5 Cheshire (Gallia) OH   324   2009-02-01   
740-434 5 Marietta OH   324   2007-02-16   
740-435 6 Cambridge OH   324   2024-04-14   
740-444 5 Pomeroy OH   324   2007-02-16   
740-578 6 Gallipolis OH   324   2007-02-16   
740-691 A Pomeroy OH ATHNOHXADMD  324      
740-691 4 Pomeroy OH   324   2013-12-29   
740-691 5 Pomeroy OH   324   2013-12-29   
740-799 0 Quaker City OH   324   2024-03-29   
740-860 A Belpre OH CLMBOH1128Z  324      
740-860 3 Belpre OH   324   2014-04-05   
740-896 7 Lowell OH   324   2014-03-01   
760-232 1 Pine Creek CA   730   2015-07-10   
760-258 1 Bishop CA   730   2007-05-17   
760-263 5 Big Pine CA   730   2007-05-17   
760-263 7 Big Pine CA   730   2014-03-23   
760-273 6 Earp: Earp DA CA   730   2014-03-03   
760-276 1 Parker Dam CA   730   2014-03-03   
760-278 5 Blythe CA   730   2014-03-23   
760-544 7 Blythe CA   730   2007-06-19   
760-627 A Earp: Earp DA CA VTVLCAXAXPX  730      
760-627 4 Earp: Earp DA CA   730   2006-10-27   
760-648 8 June Lake CA   730   2015-07-10   
760-709 5 Mammoth Lakes CA   730   2011-09-19   
760-965 0 Mammoth Lakes CA   730   2014-03-03   
775-505 5 Pahrump NV   721   2016-05-05   
806-367 A Amarillo TX   546      
806-418 A Amarillo TX   546      
806-803 A Amarillo TX   546      
816-253 2 Agency MO   524   2014-03-02   

<< 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 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.