Prefix 414-248 — Milwaukee Zone 1, WI

NANPA CO code assignment, current as of July 28, 2026.

Area code
414
Prefix (NXX)
248
Rate center
Milwaukee Zone 1
State
Wisconsin
Time zone
Central
Code holder
NEW CINGULAR WIRELESS PCS, LLC - IL
OCN
6534
Pooled
Yes (thousands-block pooling)
Assigned
2002-06-20
LATA
356

A phone number starting 414-248 was issued in the Milwaukee Zone 1 rate center of WI — part of area code 414.

NANPA's central-office code records list NEW CINGULAR WIRELESS PCS, LLC - IL (OCN 6534) as the code holder, assigned June 20, 2002. Because 414-248 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

A scammer can display 414-248 without ever touching WI. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.

Milwaukee Zone 1 is part of the Milwaukee-Waukesha, WI Metropolitan Statistical Area. For routing purposes it sits in LATA 356. Numbers here keep Central time.

Neighboring prefixes

Prefixes adjacent to 414-248
PrefixRate centerCode holder
414-245 Milwaukee Zone 1 WISCONSIN BELL INC
414-246 Milwaukee Zone 3 ONVOY, LLC - WI
414-247 Milwaukee Zone 4 WISCONSIN BELL INC
414-249 Milwaukee Zone 1 T-MOBILE USA, INC.
414-250 Milwaukee Zone 1 TELEPORT COMMUNICATIONS AMERICA, LLC WI
414-251 Milwaukee Zone 1 TELEPORT COMMUNICATIONS AMERICA, LLC WI

FAQ

Where is 414-248 located?

The prefix is assigned to the Milwaukee Zone 1 rate center in WI, area code 414. It is part of the Milwaukee-Waukesha, WI Metropolitan Statistical Area.

Which company owns 414-248 numbers?

NEW CINGULAR WIRELESS PCS, LLC - IL 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 414-248 safe to answer?

The prefix itself says nothing about the caller. Legitimate Milwaukee Zone 1 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.