Local Calling Guide
Area code/prefix search
NPA: 804 [Rate centres in NPA 804] [Dial plan for NPA 804]
NXX: 574
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
804-574 | A | Rockville | VA | RCMDVAITXKX | 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA | 248 | |||
804-574 | 0 | Rockville | VA | RCMDVAITX1Y | 515J IP HORIZON LLC | 248 | 2021-08-13 | ||
804-574 | 1 | Rockville | VA | 515J IP HORIZON LLC | 248 | 2024-02-10 | |||
804-574 | 3 | Rockville | VA | RCMDVAITXWX | 624H ONVOY SPECTRUM, LLC | 248 | 2021-12-02 | ||
804-574 | 4 | Rockville | VA | RCMDVAITXWX | 624H ONVOY SPECTRUM, LLC | 248 | 2021-12-02 | ||
804-574 | 5 | Rockville | VA | RCMDVAITXWX | 624H ONVOY SPECTRUM, LLC | 248 | 2021-06-01 | ||
804-574 | 6 | Rockville | VA | RCMDVAITXKX | 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA | 248 | 2021-05-31 | ||
804-574 | 7 | Rockville | VA | RCMDVAITXFX | 318J COMCAST IP PHONE, LLC | 248 | 2023-06-04 | ||
804-574 | 8 | Rockville | VA | 515J IP HORIZON LLC | 248 | 2024-02-10 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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