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: BLTMMDCHXFX

1 2 3 4 5 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-345 2 Ashton (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
240-512 0 Washington Zone 13 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
240-708 4 Laurel (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
240-755 A Laurel (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
240-755 0 Laurel (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
240-865 0 Washington Zone 14 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
301-327 A Washington Zone 15 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
301-327 5 Washington Zone 15 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
301-494 2 Washington Zone 15 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
410-204 8 Arbutus MD 318J COMCAST IP PHONE, LLC 238      
410-205 7 Pikesville MD 318J COMCAST IP PHONE, LLC 238      
410-216 2 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
410-220 3 Elkridge MD 318J COMCAST IP PHONE, LLC 238      
410-231 2 Solomons MD 318J COMCAST IP PHONE, LLC 238      
410-305 4 Odenton MD 318J COMCAST IP PHONE, LLC 238      
410-305 8 Odenton MD 318J COMCAST IP PHONE, LLC 238      
410-306 6 Aberdeen MD 318J COMCAST IP PHONE, LLC 236      
410-317 5 Armiger-Gibson Island MD 318J COMCAST IP PHONE, LLC 238      
410-344 6 Chase MD 318J COMCAST IP PHONE, LLC 238      
410-357 3 Parkton MD 318J COMCAST IP PHONE, LLC 238      
410-372 3 Towson MD 318J COMCAST IP PHONE, LLC 238      
410-413 6 Pikesville MD 318J COMCAST IP PHONE, LLC 238      
410-420 5 Bel Air MD 318J COMCAST IP PHONE, LLC 238      
410-429 6 Worthington MD 318J COMCAST IP PHONE, LLC 238      
410-432 2 Severna Park MD 318J COMCAST IP PHONE, LLC 238      
410-449 6 Solomons MD 318J COMCAST IP PHONE, LLC 238      
410-449 8 Solomons MD 318J COMCAST IP PHONE, LLC 238      
410-469 9 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-487 6 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238      
410-497 A Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-497 0 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-497 5 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-497 9 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-501 3 Arbutus MD 318J COMCAST IP PHONE, LLC 238      
410-504 5 Pikesville MD 318J COMCAST IP PHONE, LLC 238      
410-504 8 Pikesville MD 318J COMCAST IP PHONE, LLC 238      
410-510 7 Fork MD 318J COMCAST IP PHONE, LLC 238      
410-513 7 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-552 8 Sykesville MD 318J COMCAST IP PHONE, LLC 238      
410-553 4 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238      
410-559 6 Pikesville MD 318J COMCAST IP PHONE, LLC 238      
410-565 6 Arbutus MD 318J COMCAST IP PHONE, LLC 238      
410-571 3 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
410-571 5 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
410-582 8 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238      
410-589 3 Brooklyn Park-Linthicum MD 318J COMCAST IP PHONE, LLC 238      
410-589 5 Brooklyn Park-Linthicum MD 318J COMCAST IP PHONE, LLC 238      
410-589 6 Brooklyn Park-Linthicum MD 318J COMCAST IP PHONE, LLC 238      
410-593 7 Fork MD 318J COMCAST IP PHONE, LLC 238      
410-595 5 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238      
410-595 6 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238      
410-601 3 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-616 9 Towson MD 318J COMCAST IP PHONE, LLC 238      
410-617 0 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-617 8 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-624 5 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-624 7 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-630 2 Chase MD 318J COMCAST IP PHONE, LLC 238      
410-645 8 Woodlawn MD 318J COMCAST IP PHONE, LLC 238      
410-646 8 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-656 7 North East MD 318J COMCAST IP PHONE, LLC 238      
410-657 7 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-670 3 Edgewood MD 318J COMCAST IP PHONE, LLC 238      
410-671 2 Edgewood MD 318J COMCAST IP PHONE, LLC 238      
410-671 4 Edgewood MD 318J COMCAST IP PHONE, LLC 238      
410-680 8 Ellicott City MD 318J COMCAST IP PHONE, LLC 238      
410-684 5 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238      
410-695 5 Odenton MD 318J COMCAST IP PHONE, LLC 238      
410-696 2 Ellicott City MD 318J COMCAST IP PHONE, LLC 238      
410-697 3 Millersville MD 318J COMCAST IP PHONE, LLC 238      
410-701 7 Randallstown MD 318J COMCAST IP PHONE, LLC 238      
410-701 8 Randallstown MD 318J COMCAST IP PHONE, LLC 238      
410-702 7 Reisterstown MD 318J COMCAST IP PHONE, LLC 238      
410-720 2 Ellicott City MD 318J COMCAST IP PHONE, LLC 238      
410-776 3 Bel Air MD 318J COMCAST IP PHONE, LLC 238      
410-793 5 Severna Park MD 318J COMCAST IP PHONE, LLC 238      
410-800 2 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-801 8 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-814 0 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-832 3 Towson MD 318J COMCAST IP PHONE, LLC 238      
410-846 5 Severn MD 318J COMCAST IP PHONE, LLC 238      
410-849 7 Sherwood Forest MD 318J COMCAST IP PHONE, LLC 238      
410-853 7 Towson MD 318J COMCAST IP PHONE, LLC 238      
410-861 5 Westminster MD 318J COMCAST IP PHONE, LLC 238      
410-861 6 Westminster MD 318J COMCAST IP PHONE, LLC 238      
410-870 A Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-870 0 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-870 1 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-870 2 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-870 3 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-870 6 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-874 3 Odenton MD 318J COMCAST IP PHONE, LLC 238      
410-874 7 Odenton MD 318J COMCAST IP PHONE, LLC 238      
410-874 8 Odenton MD 318J COMCAST IP PHONE, LLC 238      
410-875 7 Sykesville MD 318J COMCAST IP PHONE, LLC 238      
410-878 0 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-878 1 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
410-891 8 Cockeysville MD 318J COMCAST IP PHONE, LLC 238      
410-904 5 Waterloo MD 318J COMCAST IP PHONE, LLC 238      
410-914 5 Churchville MD 318J COMCAST IP PHONE, LLC 238      

1 2 3 4 5 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.