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: 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, 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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-529 7 Baltimore MD BLTMMDCH40Z  238      
443-535 2 Columbia MD BLTMMDCH40Z  238      
443-535 3 Columbia MD BLTMMDCH40Z  238      
443-535 5 Columbia MD BLTMMDCH40Z  238      
443-535 7 Columbia MD BLTMMDCH40Z  238      
443-537 0 Columbia MD BLTMMDCH40Z  238      
443-538 A Columbia MD BLTMMDCH40Z  238      
443-542 1 Columbia MD BLTMMDCH40Z  238      
443-542 3 Columbia MD BLTMMDCH40Z  238      
443-544 4 Pikesville MD BLTMMDCH40Z  238      
443-546 5 Columbia MD BLTMMDCH40Z  238      
443-546 8 Columbia MD BLTMMDCH40Z  238      
443-552 6 Baltimore MD BLTMMDCH40Z  238      
443-552 8 Baltimore MD BLTMMDCH40Z  238      
443-552 9 Baltimore MD BLTMMDCH40Z  238      
443-554 A Chase MD BLTMMDCH40Z  238      
443-554 0 Chase MD BLTMMDCH40Z  238      
443-554 1 Chase MD BLTMMDCH40Z  238      
443-554 2 Chase MD BLTMMDCH40Z  238      
443-554 3 Chase MD BLTMMDCH40Z  238      
443-554 4 Chase MD BLTMMDCH40Z  238      
443-554 5 Chase MD BLTMMDCH40Z  238      
443-554 6 Chase MD BLTMMDCH40Z  238      
443-554 7 Chase MD BLTMMDCH40Z  238      
443-554 8 Chase MD BLTMMDCH40Z  238      
443-554 9 Chase MD BLTMMDCH40Z  238      
443-557 8 Glen Burnie MD BLTMMDCH40Z  238      
443-558 6 Aberdeen MD BLTMMDCH40Z  236      
443-558 8 Aberdeen MD BLTMMDCH40Z  236      
443-559 1 Essex MD BLTMMDCH40Z  238      
443-559 2 Essex MD BLTMMDCH40Z  238      
443-559 7 Essex MD BLTMMDCH40Z  238      
443-560 A Baltimore MD BLTMMDCH40Z  238   2024-02-09   
443-560 1 Baltimore MD BLTMMDCH40Z  238      
443-560 2 Baltimore MD BLTMMDCH40Z  238      
443-560 3 Baltimore MD BLTMMDCH40Z  238      
443-560 4 Baltimore MD BLTMMDCH40Z  238      
443-560 5 Baltimore MD BLTMMDCH40Z  238      
443-560 6 Baltimore MD BLTMMDCH40Z  238      
443-560 7 Baltimore MD BLTMMDCH40Z  238      
443-560 8 Baltimore MD BLTMMDCH40Z  238      
443-560 9 Baltimore MD BLTMMDCH40Z  238      
443-563 A Baltimore MD BLTMMDCH40Z  238      
443-563 0 Baltimore MD BLTMMDCH40Z  238      
443-563 4 Baltimore MD BLTMMDCH40Z  238      
443-563 6 Baltimore MD BLTMMDCH40Z  238      
443-563 7 Baltimore MD BLTMMDCH40Z  238      
443-563 8 Baltimore MD BLTMMDCH40Z  238      
443-565 2 Randallstown MD BLTMMDCH40Z  238      
443-570 A Baltimore MD BLTMMDCH40Z  238      
443-572 1 Glen Burnie MD BLTMMDCH40Z  238      
443-572 9 Glen Burnie MD BLTMMDCH40Z  238      
443-577 8 Glen Burnie MD BLTMMDCH40Z  238      
443-579 6 Essex MD BLTMMDCH40Z  238      
443-580 A Baltimore MD BLTMMDCH40Z  238   2024-02-09   
443-580 0 Baltimore MD BLTMMDCH40Z  238      
443-580 1 Baltimore MD BLTMMDCH40Z  238      
443-580 2 Baltimore MD BLTMMDCH40Z  238      
443-580 3 Baltimore MD BLTMMDCH40Z  238      
443-580 4 Baltimore MD BLTMMDCH40Z  238      
443-580 5 Baltimore MD BLTMMDCH40Z  238      
443-580 7 Baltimore MD BLTMMDCH40Z  238      
443-580 8 Baltimore MD BLTMMDCH40Z  238      
443-580 9 Baltimore MD BLTMMDCH40Z  238      
443-581 8 Chase MD BLTMMDCH40Z  238      
443-583 9 Columbia MD BLTMMDCH40Z  238      
443-596 1 Essex MD BLTMMDCH40Z  238      
443-600 A Essex MD BLTMMDCH40Z  238      
443-600 0 Essex MD BLTMMDCH40Z  238      
443-600 1 Essex MD BLTMMDCH40Z  238      
443-600 2 Essex MD BLTMMDCH40Z  238      
443-600 3 Essex MD BLTMMDCH40Z  238      
443-600 4 Essex MD BLTMMDCH40Z  238      
443-600 5 Essex MD BLTMMDCH40Z  238      
443-600 6 Essex MD BLTMMDCH40Z  238      
443-600 7 Essex MD BLTMMDCH40Z  238      
443-600 8 Essex MD BLTMMDCH40Z  238      
443-600 9 Essex MD BLTMMDCH40Z  238      
443-615 8 Baltimore MD BLTMMDCH40Z  238      
443-615 9 Baltimore MD BLTMMDCH40Z  238      
443-616 1 Bel Air MD BLTMMDCH40Z  238      
443-616 4 Bel Air MD BLTMMDCH40Z  238      
443-616 5 Bel Air MD BLTMMDCH40Z  238      
443-616 6 Bel Air MD BLTMMDCH40Z  238      
443-616 7 Bel Air MD BLTMMDCH40Z  238      
443-616 8 Bel Air MD BLTMMDCH40Z  238      
443-616 9 Bel Air MD BLTMMDCH40Z  238      
443-619 5 Bel Air MD BLTMMDCH40Z  238      
443-619 6 Bel Air MD BLTMMDCH40Z  238      
443-621 A Baltimore MD   238      
443-621 0 Baltimore MD BLTMMDCH40Z  238      
443-621 1 Baltimore MD BLTMMDCH40Z  238      
443-621 2 Baltimore MD BLTMMDCH40Z  238      
443-621 3 Baltimore MD BLTMMDCH40Z  238      
443-621 4 Baltimore MD BLTMMDCH40Z  238      
443-621 5 Baltimore MD BLTMMDCH40Z  238      
443-621 6 Baltimore MD BLTMMDCH40Z  238      
443-621 7 Baltimore MD BLTMMDCH40Z  238      
443-621 8 Baltimore MD BLTMMDCH40Z  238      
443-621 9 Baltimore MD BLTMMDCH40Z  238      

<< 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.