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: WDLWMDWLDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-954 A Washington Zone 4 (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
410-265 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 0 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 2 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 3 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 4 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 5 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 6 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 7 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 8 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-277 9 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-281 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-298 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-448 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 0 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-448 9 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-594 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-597 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-944 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-954 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-965 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
410-966 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-380 5 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-380 6 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-380 7 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-380 8 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 0 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 1 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 3 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 4 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 5 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 6 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 7 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 8 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-436 9 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-663 A Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-663 6 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      
443-663 8 Woodlawn MD 9212 VERIZON MARYLAND, INC. 238      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.