Lampasas, TX — rate center
The Lampasas rate center (Texas) anchors 12 active prefixes under area codes 512, 737. Rate centers, not city limits, are what phone numbers are legally tied to.
The rate center currently carries 12 working prefixes across 8 carriers. 11 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
Routing-wise it sits in LATA 558.
Multiple area codes over one rate center (512/737) is the overlay pattern: same geography, different first three digits.
A Lampasas 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 Lampasas
| Prefix | Code holder | Pooled |
|---|---|---|
| 512-525 | T-MOBILE USA, INC. | Yes |
| 512-540 | NEW CINGULAR WIRELESS PCS, LLC - IL | Yes |
| 512-556 | SOUTHWESTERN BELL | No |
| 512-564 | SOUTHWESTERN BELL | Yes |
| 512-566 | T-MOBILE USA, INC. | Yes |
| 512-734 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | Yes |
FAQ
What area code is Lampasas, TX?
Lampasas is served by 2 area codes — 512, 737 — which overlay the same territory.
How many prefixes does Lampasas have?
12 active NXX prefixes are anchored to this rate center in NANPA records, held by 8 carriers.
Is a call from a Lampasas prefix really from Lampasas?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.