Prefix 215-400 — Philadelphia Zone 1, PA
- Area code
- 215
- Prefix (NXX)
- 400
- Rate center
- Philadelphia Zone 1
- State
- Pennsylvania
- Time zone
- Eastern
- Code holder
- NEW CINGULAR WIRELESS PCS, LLC - DC
- OCN
- 4036
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2004-10-20
- LATA
- 228
215-400 identifies a block of numbers in Philadelphia Zone 1, PA, within the 215 area code. Every US prefix is tied to exactly one rate center; this one is Philadelphia Zone 1.
The rate center lies in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area. The serving LATA is 228. Local time follows the Eastern zone.
Treat the on-screen number as a hint, not evidence — 215-400 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
Code-holder of record: NEW CINGULAR WIRELESS PCS, LLC - DC (OCN 4036), assigned October 20, 2004. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 215-400 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 215-397 | Philadelphia Zone 2 | METROPCS, INC. |
| 215-398 | Philadelphia Zone 1 | ONVOY, LLC - PA |
| 215-399 | Philadelphia Zone 1 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA |
| 215-401 | Philadelphia Zone 1 | SPOK, INC. |
| 215-402 | Philadelphia Suburban Zone 32 | VERIZON PENNSYLVANIA, INC. |
| 215-403 | Philadelphia Zone 3 | VERIZON PENNSYLVANIA, INC. |
FAQ
Where is 215-400 located?
The prefix is assigned to the Philadelphia Zone 1 rate center in PA, area code 215. It is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area.
Which company owns 215-400 numbers?
NEW CINGULAR WIRELESS PCS, LLC - DC holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 215-400 safe to answer?
The prefix itself says nothing about the caller. Legitimate Philadelphia Zone 1 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.