667 Rate Centers & Exchanges
13 rate centers · Maryland · Eastern Time
A rate center is the geographic unit used by phone carriers to determine local calling areas and billing. Each rate center has a specific name and set of NXX exchanges (the 3-digit prefix after the area code) assigned to it. The map below shows the 13 rate centers within area code 667.
Rate Center Locations
13 centers in area code 667All Rate Centers in Area Code 667
| Rate Center |
|---|
|
Aberdeen
|
|
Annapolis
|
|
Baltimore
|
|
Churchville
|
|
Columbia
|
|
Ellicott City
|
|
Federalsburg
|
|
Greensboro
|
|
Marion
|
|
Odenton
|
|
Pikesville
|
|
Salisbury
|
|
Waterloo (Washington DC LATA)
|