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
956-610TXSOUTHWESTERN BELL9533HARLINGENHRLNTXHGDS005/24/2001Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
Detailed Switch Info