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: 9212 VERIZON MARYLAND, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
410-208 4 Berlin MD   242    
410-208 6 Berlin MD   242    
410-208 9 Berlin MD   242    
410-209 A Baltimore MD BLTMMDCHDS2  238    
410-209 1 Baltimore MD   238    
410-209 2 Baltimore MD   238    
410-209 3 Baltimore MD   238    
410-209 4 Baltimore MD   238    
410-209 5 Baltimore MD   238    
410-209 6 Baltimore MD   238    
410-209 8 Baltimore MD   238    
410-213 A Ocean City MD WOCYMDBARS0  242    
410-213 0 Ocean City MD   242    
410-213 1 Ocean City MD   242    
410-213 2 Ocean City MD   242    
410-213 7 Ocean City MD   242    
410-213 8 Ocean City MD   242    
410-213 9 Ocean City MD   242    
410-216 A Annapolis MD ANNPMDANDS0  238    
410-216 6 Annapolis MD   238    
410-216 7 Annapolis MD   238    
410-216 8 Annapolis MD   238    
410-216 9 Annapolis MD   238    
410-217 A Baltimore MD BLTMMDCH1DD  238    
410-219 A Salisbury MD SLBRMDSBDS1  242    
410-221 A Cambridge MD CMBRMDCMDS0  242    
410-222 A Severn MD GLBRMDGLDS0  238    
410-223 A Baltimore MD BLTMMDCHDS3  238    
410-224 A Annapolis MD PARLMDPADS0  238    
410-225 A Baltimore MD BLTMMDMDDS0  238    
410-226 A Oxford MD OXFRMDOXRS0  242    
410-226 0 Oxford MD   242    
410-226 5 Oxford MD   242    
410-228 A Cambridge MD CMBRMDCMDS0  242    
410-229 A Cockeysville MD CYVLMDDADS0  238    
410-230 A Baltimore MD BLTMMDCHDS3  238    
410-233 A Baltimore MD BLTMMDEDRP0  238    
410-234 A Baltimore MD BLTMMDCHDS3  238    
410-235 A Baltimore MD BLTMMDUVDS0  238    
410-237 A Baltimore MD BLTMMDCH1DD  238    
410-237 2 Baltimore MD   238    
410-237 3 Baltimore MD   238    
410-237 5 Baltimore MD   238    
410-238 A Essex MD ESSXMDEXDS0  238    
410-238 0 Essex MD   238    
410-238 1 Essex MD   238    
410-238 2 Essex MD   238    
410-238 3 Essex MD   238    
410-238 4 Essex MD   238    
410-238 5 Essex MD   238    

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Last updated: Sat, 01 Dec 2018 01:51:37 UTC

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