Maryland Areacode: 667
Note๏ผ667 is the areacode of Maryland, United States. For international number is 001667 or 001-667ใ0010667ใ+1-667ใ+1+667ใ+1667ใ00-1-667ใ00 1 667.
More About Area Code 667
Area Code 667 was first put in service March 24, 2012. Currently, the largest city it serves is Baltimore, MD, and it overlaps coverage areas with area codes 410 and 443.
Active Phone Number Prefixes
| Prefix | Usage | Primary City | Carrier |
| (667) 203- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 205- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 206- | Wireless | Towson | Metro PCS |
| (667) 207- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 208- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 209- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 210- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 212- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 213- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 214- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 216- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 217- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 218- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 219- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 224- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 225- | Unknown | New Cingular Wireless PCS - DC | |
| (667) 231- | Landline | Aberdeen | Xo Maryland |
| (667) 234- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 239- | Wireless | Baltimore | Cellco Partnership DBA Verizon Wireless |
| (667) 253- | Wireless | Salisbury | 365 Wireless |
| (667) 303- | Wireless | Baltimore | 365 Wireless |
| (667) 305- | Wireless | Pikesville | 365 Wireless |
| (667) 307- | Landline | Crofton | Peerless Network Of Maryland |
| (667) 308- | Landline | Baltimore | Peerless Network Of Maryland |
| (667) 309- | Landline | Baltimore | Local Access LLC |
| (667) 330- | Landline | Salisbury | Us Lec Of Maryland |
| (667) 401- | Landline | Baltimore | Level 3 Communications |
| (667) 777- | Unknown | Peerless Network Of Maryland | |
| (667) 801- | Unknown | Verizon Maryland | |
| (667) 803- | Landline | Solomons | Bandwidth.com Clec |
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