Local Calling Guide
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Switch: PHNZAZDM
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| PHNZAZDMDS3 | PHOENIX | 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ |
Last updated: Wed, 04 Mar 2026 03:00:52 UTC
Sponsored by: Callcentric - VoIP Internet phone service
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