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: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

<< 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

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-995 0 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 1 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 2 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 3 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 4 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-995 5 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-995 6 Ellicott City MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-995 7 Ellicott City MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-09-08   
410-995 8 Ellicott City MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
410-995 9 Ellicott City MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-27   
410-996 A Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 0 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 1 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 2 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 3 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 4 Elkton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
410-996 5 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 6 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 7 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 8 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 9 Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-997 A Columbia MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-998 A Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 0 Pikesville MD   145J TERRA NOVA TELECOM INC. 238   2024-02-15   
410-998 1 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 2 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 3 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 4 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 5 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 6 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 7 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 8 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-998 9 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-999 A Glen Burnie MD BLTMMDSN3MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
410-999 0 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-11-28   
410-999 1 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-10-14   
410-999 2 Glen Burnie MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2010-11-06   
410-999 3 Glen Burnie MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2010-11-06   
410-999 4 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-28   
410-999 5 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-28   
410-999 6 Glen Burnie MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2003-07-26   
410-999 7 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-28   
410-999 8 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-06-22   
410-999 9 Glen Burnie MD BLTMMDSN3MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2003-07-26   

<< 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

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.