npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
202-228 | DC | VERIZON WASHINGTON DC, INC. (Verizon Communications) | 9211 | WSHNGTNZN1 | WASHDCDKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 1 Switch Type: Northern Telecom DMS100 (Digital) Host LATA: N/A Tandem: N/A Detailed Switch Info |