Phone Prefix
(657) 399-XXXX
CA • SANTA ANA
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SANTA ANA
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
OCN
6006
Status
AS
Date Assigned
Mar 14, 2019
Number Range
First Number
(657) 399-0000
Last Number
(657) 399-9999
This prefix contains 10,000 possible phone numbers
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About This Prefix
Phone numbers starting with (657) 399 are part of the North American Numbering Plan (NANP). The first three digits (657) represent the Area Code (NPA), and the next three digits (399) represent the Central Office Code (NXX) or exchange.
- NPA (657) - Numbering Plan Area, identifies the geographic region
- NXX (399) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)