Prefix |
City |
County |
Carrier |
Type |
1-667-200 |
Baltimore |
Baltimore City |
Neutral Tandem-maryland, Llc - Md |
Other |
1-667-201 |
Windsor Mill |
Baltimore |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-202 |
Baltimore |
Baltimore City |
Neutral Tandem-maryland, Llc - Md |
Other |
1-667-203 |
Windsor Mill |
Baltimore |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-205 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-206 |
Baltimore |
Baltimore City |
Metro Pcs, Inc. |
Other |
1-667-207 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-208 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-209 |
Windsor Mill |
Baltimore |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-210 |
Windsor Mill |
Baltimore |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-212 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-213 |
Pikesville |
Baltimore |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-214 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-215 |
Baltimore |
Baltimore City |
Comcast Phone Of Northern Maryland, Inc. - Md |
Other |
1-667-216 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-217 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-218 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-219 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-222 |
Baltimore |
Baltimore City |
Neutral Tandem-maryland, Llc - Md |
Other |
1-667-224 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-225 |
Columbia |
Howard |
New Cingular Wireless Pcs, Llc - Dc |
Other |
1-667-228 |
Baltimore |
Baltimore City |
Omnipoint Communications Cap Operations, Llc |
Other |
1-667-229 |
Baltimore |
Baltimore City |
Omnipoint Communications Cap Operations, Llc |
Other |
1-667-231 |
Baltimore |
Baltimore City |
Xo Maryland, Llc |
Other |
1-667-233 |
Baltimore |
Baltimore City |
Verizon Maryland, Inc. |
Other |
1-667-234 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-239 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-240 |
Columbia |
Howard |
Barr Tell Usa, Inc. |
Other |
1-667-251 |
Baltimore |
Baltimore City |
Level 3 Communications, Llc - Md |
Other |
1-667-253 |
Salisbury |
Wicomico |
365 Wireless, Llc |
Other |
1-667-260 |
Baltimore |
Baltimore City |
Citrix Communications Llc - Md |
Other |
1-667-281 |
Delmar |
Wicomico |
Peerless Network Of Maryland, Llc |
Other |
1-667-303 |
Baltimore |
Baltimore City |
365 Wireless, Llc |
Other |
1-667-305 |
Columbia |
Howard |
365 Wireless, Llc |
Other |
1-667-307 |
Baltimore |
Baltimore City |
Peerless Network Of Maryland, Llc |
Other |
1-667-308 |
Baltimore |
Baltimore City |
Peerless Network Of Maryland, Llc |
Other |
1-667-309 |
Baltimore |
Baltimore City |
Local Access Llc - Md |
Other |
1-667-312 |
Baltimore |
Baltimore City |
Atlantech Online, Inc. - Md |
Other |
1-667-313 |
Baltimore |
Baltimore City |
Mci Worldcom Communications, Inc. - Md |
Other |
1-667-314 |
Baltimore |
Baltimore City |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-321 |
Windsor Mill |
Baltimore |
Omnipoint Communications Cap Operations, Llc |
Other |
1-667-330 |
Salisbury |
Wicomico |
Us Lec Of Maryland, Inc. |
Other |
1-667-333 |
Columbia |
Howard |
Baltimore-washington Telephone (bwt) |
Other |
1-667-352 |
Baltimore |
Baltimore City |
Omnipoint Communications Cap Operations, Llc |
Other |
1-667-367 |
Baltimore |
Baltimore City |
Baltimore-washington Telephone (bwt) |
Other |
1-667-400 |
Baltimore |
Baltimore City |
Barr Tell Usa, Inc. |
Other |
1-667-401 |
Baltimore |
Baltimore City |
Level 3 Communications, Llc - Md |
Other |
1-667-402 |
Baltimore |
Baltimore City |
Telnyx Llc |
Other |
1-667-444 |
Baltimore |
Baltimore City |
Neutral Tandem-maryland, Llc - Md |
Other |
1-667-458 |
Windsor Mill |
Baltimore |
Cellco Partnership Dba Verizon Wireless - Md |
Other |
1-667-600 |
Baltimore |
Baltimore City |
Worldcall Interconnect Inc. |
Other |
1-667-666 |
Baltimore |
Baltimore City |
Voxbeam Telecommunications Inc. - Md |
Other |
1-667-677 |
Pikesville |
Baltimore |
Broadvox-clec, Llc - Md |
Other |
1-667-701 |
Columbia |
Howard |
New Cingular Wireless Pcs, Llc - Dc |
Other |
1-667-706 |
Baltimore |
Baltimore City |
Omnipoint Communications Enterprises, L.p. |
Other |
1-667-770 |
Baltimore |
Baltimore City |
Airus, Inc. - Md |
Other |
1-667-771 |
Baltimore |
Baltimore City |
Wide Voice, Llc - Md |
Other |
1-667-777 |
Baltimore |
Baltimore City |
Peerless Network Of Maryland, Llc |
Other |
1-667-786 |
Columbia |
Howard |
Teleport Communications America, Llc - Md |
Other |
1-667-800 |
Salisbury |
Wicomico |
Neutral Tandem-maryland, Llc - Md |
Other |
1-667-802 |
Baltimore |
Baltimore City |
Omnipoint Communications Cap Operations, Llc |
Other |
1-667-803 |
Baltimore |
Baltimore City |
Bandwidth.com Clec, Llc - Md |
Other |
1-667-808 |
Delmar |
Wicomico |
Peerless Network Of Maryland, Llc |
Other |
1-667-812 |
Laurel |
Prince Georges |
Verizon Maryland, Inc. |
Other |
1-667-888 |
Baltimore |
Baltimore City |
Voxbeam Telecommunications Inc. - Md |
Other |
1-667-930 |
Baltimore |
Baltimore City |
Rclec, Inc. - Md |
Other |
1-667-967 |
Columbia |
Howard |
Barr Tell Usa, Inc. |
Other |
1-667-999 |
Baltimore |
Baltimore City |
Neutral Tandem-maryland, Llc - Md |
Other |