Local Calling Guide
Area code/prefix search
NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]
NXX: 721
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
720-721 | A | Denver | CO | DNVRCOMA37Z | 507J THE VOICE APPLICATION NETWORK, LLC | 656 | |||
720-721 | 0 | Denver | CO | DNVRCOMA32Z | 321J HD CARRIER LLC | 656 | |||
720-721 | 1 | Denver | CO | DNVRCOMA37Z | 507J THE VOICE APPLICATION NETWORK, LLC | 656 | |||
720-721 | 2 | Denver | CO | DNVRCOMA32Z | 321J HD CARRIER LLC | 656 | |||
720-721 | 3 | Denver | CO | DNVRCOMAXGZ | 078F BANDWIDTH.COM CLEC, LLC - CO | 656 | |||
720-721 | 4 | Denver | CO | DNVRCOMA32Z | 321J HD CARRIER LLC | 656 | |||
720-721 | 5 | Denver | CO | DNVRCOMA32Z | 321J HD CARRIER LLC | 656 | |||
720-721 | 6 | Denver | CO | DNVRCOMA32Z | 321J HD CARRIER LLC | 656 | |||
720-721 | 7 | Denver | CO | DNVRCOMA32Z | 321J HD CARRIER LLC | 656 | |||
720-721 | 8 | Denver | CO | DNVRCOMA32Z | 321J HD CARRIER LLC | 656 | |||
720-721 | 9 | Denver | CO | DNVRCOMA24Z | 557H WIDE VOICE, LLC - CO | 656 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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