Portland, TN — rate center
- State
- Tennessee
- Active prefixes
- 7
- Carriers
- 4
- Pooled prefixes
- 6
- LATA
- 470
- Metro area
- Nashville-Davidson--Murfreesboro--Franklin, TN MSA
The Portland rate center (Tennessee) anchors 7 active prefixes under area codes 615, 629. Rate centers, not city limits, are what phone numbers are legally tied to.
The rate center currently carries 7 working prefixes across 4 carriers. 6 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the Nashville-Davidson--Murfreesboro--Franklin, TN Metropolitan Statistical Area. Routing-wise it sits in LATA 470.
Multiple area codes over one rate center (615/629) is the overlay pattern: same geography, different first three digits.
A Portland prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to Portland
| Prefix | Code holder | Pooled |
|---|---|---|
| 615-323 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | Yes |
| 615-325 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | No |
| 615-652 | BANDWIDTH.COM CLEC, LLC - TN | Yes |
| 615-745 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | Yes |
| 615-802 | BANDWIDTH.COM CLEC, LLC - TN | Yes |
| 615-805 | COMCAST IP PHONE, LLC | Yes |
FAQ
What area code is Portland, TN?
Portland is served by 2 area codes — 615, 629 — which overlay the same territory.
How many prefixes does Portland have?
7 active NXX prefixes are anchored to this rate center in NANPA records, held by 4 carriers.
Is a call from a Portland prefix really from Portland?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.