NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

BIRMINGHAM prefixes in area code 248

NANPA records 61 assigned NXX blocks to rate center BIRMINGHAM in area code 248, 7.8% of the 784 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 10 holders hold those blocks, the largest being MICHIGAN BELL TEL CO (28), NEW CINGULAR WIRELESS PCS, LLC - IL (10), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI (7). The earliest assignment on record here is 2001-05-24 and the most recent 2025-12-16. 36 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 205, 319, 440, 659 – overlay codes cover the same geography, so a rate center is served by all of them.

61 assigned blocks – 7.8% of 248
10 holders of record
36 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
248-203 AT&T MICHIGAN BELL TEL CO – no yes
248-205 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI – yes yes
248-220 Windstream PAETEC ITEL, LLC – yes yes
248-225 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
248-227 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
248-229 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
248-258 AT&T MICHIGAN BELL TEL CO – no yes
248-261 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2025-12-16 yes yes
248-265 AT&T MICHIGAN BELL TEL CO – yes yes
248-267 AT&T MICHIGAN BELL TEL CO – no yes
248-282 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-283 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-290 Windstream PAETEC ITEL, LLC – yes yes
248-312 AT&T MICHIGAN BELL TEL CO – yes yes
248-341 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI – yes yes
248-385 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2013-12-18 yes yes
248-430 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-433 AT&T MICHIGAN BELL TEL CO – yes yes
248-458 AT&T MICHIGAN BELL TEL CO – yes yes
248-463 AT&T MICHIGAN BELL TEL CO – yes yes
248-480 Comcast COMCAST IP PHONE, LLC 2014-06-27 yes yes
248-490 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2023-07-26 yes yes
248-502 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – no yes
248-530 Windstream PAETEC ITEL, LLC – no yes
248-540 AT&T MICHIGAN BELL TEL CO – no yes
248-550 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2014-06-17 yes yes
248-566 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI – yes yes
248-590 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI 2015-11-06 yes yes
248-593 AT&T MICHIGAN BELL TEL CO – no yes
248-594 AT&T MICHIGAN BELL TEL CO – no yes
248-614 AT&T MICHIGAN BELL TEL CO – yes yes
248-631 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI – yes yes
248-633 123.NET, LLC – yes yes
248-637 AT&T MICHIGAN BELL TEL CO – no yes
248-641 AT&T MICHIGAN BELL TEL CO – no yes
248-642 AT&T MICHIGAN BELL TEL CO – no yes
248-643 AT&T MICHIGAN BELL TEL CO – no yes
248-644 AT&T MICHIGAN BELL TEL CO – no yes
248-645 AT&T MICHIGAN BELL TEL CO – no yes
248-646 AT&T MICHIGAN BELL TEL CO – no yes
248-647 AT&T MICHIGAN BELL TEL CO – no yes
248-649 AT&T MICHIGAN BELL TEL CO – no yes
248-686 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI – yes yes
248-695 INTERACTIVE SERVICES NETWORK, INC. – no yes
248-696 AT&T MICHIGAN BELL TEL CO – no yes
248-712 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-723 AT&T MICHIGAN BELL TEL CO – no yes
248-731 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI 2002-05-08 yes yes
248-734 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2023-09-25 yes yes
248-792 Comcast COMCAST IP PHONE, LLC – yes yes
248-816 AT&T MICHIGAN BELL TEL CO – no yes
248-822 AT&T MICHIGAN BELL TEL CO – no yes
248-833 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-839 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI 2015-03-27 yes yes
248-885 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2001-07-27 yes yes
248-901 AT&T MICHIGAN BELL TEL CO – yes yes
248-940 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2016-10-25 yes yes
248-952 AT&T MICHIGAN BELL TEL CO – yes yes
248-971 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 2001-05-24 yes yes
248-979 T-Mobile METROPCS, INC. 2001-08-27 yes yes
248-988 AT&T MICHIGAN BELL TEL CO – yes yes

The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.

Who holds the blocks

HolderBrandBlocksShare here
MICHIGAN BELL TEL CO AT&T 28 45.9%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 10 16.4%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI Verizon 7 11.5%
TELEPORT COMMUNICATIONS AMERICA, LLC - MI AT&T 4 6.6%
LEVEL 3 COMMUNICATIONS, LLC - MI Lumen 4 6.6%
PAETEC ITEL, LLC Windstream 3 4.9%
COMCAST IP PHONE, LLC Comcast 2 3.3%
123.NET, LLC – 1 1.6%
INTERACTIVE SERVICES NETWORK, INC. – 1 1.6%
METROPCS, INC. T-Mobile 1 1.6%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to BIRMINGHAM in area code 248?

61 blocks: 203, 205, 220, 225, 227, 229, 258, 261, 265, 267, 282, 283 and 49 more, all listed in the table above.

Which carriers have numbers in BIRMINGHAM?

MICHIGAN BELL TEL CO (28 blocks), NEW CINGULAR WIRELESS PCS, LLC - IL (10 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI (7 blocks), TELEPORT COMMUNICATIONS AMERICA, LLC - MI (4 blocks), LEVEL 3 COMMUNICATIONS, LLC - MI (4 blocks), PAETEC ITEL, LLC (3 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is BIRMINGHAM a city?

It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.

Other rate centers in 248

All 784 prefixes in 248