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: BLTMMDCHXNX

1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-319 7 Laurel (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-841 A Laurel (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-841 0 Laurel (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-841 2 Laurel (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-842 A Washington Zone 14 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-842 0 Washington Zone 14 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-842 1 Washington Zone 14 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-842 9 Washington Zone 14 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-843 A Washington Zone 13 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
240-843 4 Washington Zone 13 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
301-854 8 Ashton (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
301-912 7 Washington Zone 14 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
301-912 8 Washington Zone 14 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
301-912 9 Washington Zone 14 (Baltimore LATA) MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-248 4 Parkville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-249 3 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-415 8 Pikesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-469 2 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-497 1 Parkville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-558 6 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-587 A Arbutus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-587 1 Arbutus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-626 4 Annapolis MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-630 1 Chase MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-630 6 Chase MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-630 7 Chase MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-630 8 Chase MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-650 A Dundalk MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-650 9 Dundalk MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-697 6 Millersville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-697 7 Millersville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-741 3 West River MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-816 2 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 6 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 7 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 8 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 9 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-200 A Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-200 0 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-200 1 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-200 4 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-200 6 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-200 7 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-200 9 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-218 8 Worthington MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 A Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 0 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 1 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 2 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 4 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 5 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 6 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 7 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-276 9 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 A Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 0 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 1 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 2 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 3 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 4 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 5 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 6 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 7 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 9 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 A Cockeysville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 0 Cockeysville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 1 Cockeysville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 2 Cockeysville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 5 Cockeysville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 6 Cockeysville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 7 Cockeysville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-285 6 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 A Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 0 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 1 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 2 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 4 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 5 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 6 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 7 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 8 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 9 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-293 8 Westminster MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-296 6 Waterloo MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-296 8 Waterloo MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-296 9 Waterloo MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-303 8 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-304 6 Arbutus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-308 A Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-308 0 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-308 1 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-308 2 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-308 4 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-308 5 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-308 9 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-327 2 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-327 3 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-333 5 Annapolis MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-334 A Pikesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-334 1 Pikesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      

1 2 3 4 >>

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.