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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 509-435 | WA | XO WASHINGTON, INC. (Verizon Communications) | N/A | N/A | 7340 | SPOKANE | SPKNWADZDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: SPOKANE Switch Type: N/A LATA: Spokane WA (includes small part of central Idaho) (676) Tandem: N/A 🔧 Explore Switch(CLLI: SPKNWADZDS2)) 🕘 Prefix History 🔎 Explore Carrier Information |
| 509-435 is split into 1,000-number blocks - detail below | |||||||||
| 509-435-0XXX | WA | XO WASHINGTON, INC. (Verizon Communications) | N/A | N/A | 7340 | SPOKANE | SPKNWADZDS2 | N/A | Prefix Type: CLEC Switch Name: SPOKANE Switch Type: N/A LATA: Spokane WA (includes small part of central Idaho) (676) Tandem: N/A 🔧 Explore Switch(CLLI: SPKNWADZDS2)) 🕘 Prefix History 🔎 Explore Carrier Information |
| 509-435-4XXX | WA | XO WASHINGTON, INC. (Verizon Communications) | N/A | N/A | 7340 | SPOKANE | SPKNWADZDS2 | N/A | Prefix Type: CLEC Switch Name: SPOKANE Switch Type: N/A LATA: Spokane WA (includes small part of central Idaho) (676) Tandem: N/A 🔧 Explore Switch(CLLI: SPKNWADZDS2)) 🕘 Prefix History 🔎 Explore Carrier Information |