Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
248-549MIMICHIGAN BELL TEL CO (AT&T)9323ROYAL OAKBRHMMIMNDS000/00/0000Prefix Type: RBOC
Switch Name: BIRMINGHAM DS0
Switch Type: EWSD
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info