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.

Switch: WASHDCDP8MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-427 5 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-428 A Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-428 0 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-428 3 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-428 4 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-428 7 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-428 8 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-433 3 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-435 2 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-435 4 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-435 7 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-437 3 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-437 4 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-449 4 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-454 3 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-454 5 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-459 3 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-459 8 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-466 1 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-466 4 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-466 6 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-466 8 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-468 4 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-468 7 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-473 2 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-473 3 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-479 4 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-479 9 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-487 9 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-489 1 Poolesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-492 6 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-493 9 Washington Zone 6 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-502 A Washington Zone 3 MD 074F BANDWIDTH.COM CLEC, LLC - DC 236   2024-02-19   
240-502 8 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-507 5 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-514 4 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-514 7 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-514 8 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-516 6 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-516 8 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-523 3 La Plata MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-525 0 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-525 1 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-528 3 Hughesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-528 7 Hughesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-528 8 Hughesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-531 3 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-531 7 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-531 8 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-532 2 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-532 3 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-532 4 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-532 8 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-534 3 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-542 7 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-542 8 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-542 9 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-544 6 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-544 7 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-545 5 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-545 8 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-547 9 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-548 3 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-552 6 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-552 9 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-554 5 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-558 7 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-558 8 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-560 2 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-560 3 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-560 8 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-561 9 Leonardtown MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-582 4 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-583 0 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-583 1 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-583 7 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-587 3 Leonardtown MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-587 5 Leonardtown MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-587 6 Leonardtown MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-587 7 Leonardtown MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-599 5 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-600 0 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-614 2 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-619 8 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-621 A Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-621 0 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-621 1 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-621 2 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-622 5 La Plata MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-622 9 La Plata MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-623 A Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-623 0 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-623 1 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-624 0 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-627 6 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-628 4 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-628 5 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-630 A Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-630 0 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-630 1 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.