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Area code 979

Where 979 is, how it is dialed, which carriers hold its numbers and how many of its codes are in use, from NANPA's 10/01/2026 files.

State
TX
In service
2000
Assigned codes
412of 800 possible
Carriers
50

About area code 979

979 is one of 29 geographic area codes serving Texas; NANPA records its in-service date as February 19, 2000. It is not part of an overlay, so every number in its territory starts with 979. It is in the Central time zone. The places with the most assigned exchanges include Bryan, Angleton, Freeport, Brenham, and Bay City. By population, its largest named places are Bryan, Angleton, Brenham, Bay City, and El Campo.

Area code 979: NANPA facts
ItemValue
StateTexas
In service sinceFebruary 19, 2000
Assigned by NANPASeptember 2, 1999
OverlayNo
Parent area code (NANPA)409
Time zoneCentral
Local calls within the codeseven digits
Assigned central office codes412
Rate centers with codes55
Carriers holding codes50
Pooled codes317
Codes assigned since 202061
Relief planning in progressNo

Source: NANPA NPA report and utilized central office code file, both dated 10/01/2026.

Places served by 979

979 holds 2.6% of the 16,097 central office codes assigned in Texas, the 21st most of the state's 29 codes. 34 Census places could be matched to rate centers with 979 exchanges; the most populous are Bryan (91,541), Angleton (20,979), Brenham (19,728), and Bay City (17,471). Each place page lists the exact prefixes and carriers for that town.

Most populous places with 979 exchanges
PlacePopulation (2024)Area codesExchangesCarriers
Bryan, TX91,5419798625
Angleton, TX20,9799792811
Brenham, TX19,7289791910
Bay City, TX17,471979179
El Campo, TX12,176979148
Freeport, TX10,635979208
Wharton, TX8,755979105
Sealy, TX7,553979107
Hempstead, TX6,65897997
Giddings, TX5,32497985
Caldwell, TX4,82097965
Hearne, TX4,64197998
La Grange, TX4,504979119
Bellville, TX4,29197965
Columbus, TX3,938979106

Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.

How calls are dialed in 979

According to NANPA's dialing-plan data, local calls within 979 are dialed as seven digits and toll calls as 1 plus ten digits. Seven-digit local dialing is still permitted here, but customers calling from other area codes, and every mobile contact list, use all ten digits.

Carriers with 979 numbers

50 carriers hold the 412 central office codes assigned in 979. Southwestern Bell has the most, with 58 (14%). 317 of the codes (77%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. The code holder is not necessarily the carrier serving a given number today, since numbers can be ported between providers.

Largest code holders in area code 979
Carrier (NANPA operating company)ExchangesShare
Southwestern Bell5814%
Frontier Southwest INC d/b/a Frontier Comm of Texas5413%
New Cingular Wireless PCS, LLC - Il4711%
Level 3 Communications, LLC - TX307.3%
Aerial Communications, INC.297.0%
Texas Communications, INC.245.8%
Onvoy, LLC - TX163.9%
Cellco Partnership d/b/a Verizon Wireless - TX122.9%
Peerless Network of Texas, LLC - TX122.9%
Fractel, LLC122.9%
Grande Communications Networks, INC. - TX112.7%
Evolve Cellular, INC.81.9%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Local calling areas in 979

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 979 has codes in 55 rate centers. Rate center names in the file are abbreviations; where one matches a Census place, the table links to that city's local-number page.

Rate centers in area code 979 by assigned codes
Rate center (NANPA)PlaceCodes
BRYANBryan, TX86
ANGLETONAngleton, TX28
FREEPORTFreeport, TX20
CLTLKJCKSNnot matched20
BRENHAMBrenham, TX19
BAY CITYBay City, TX17
EL CAMPOEl Campo, TX14
LA GRANGELa Grange, TX11
SEALYSealy, TX10
WHARTONWharton, TX10
COLUMBUSColumbus, TX10
HEARNEHearne, TX9
HEMPSTEADHempstead, TX9
GIDDINGSGiddings, TX8
GARWOODnot matched7
CALDWELLCaldwell, TX6
SWEENYSweeny, TX6
WALLISWallis, TX6
BELLVILLEBellville, TX6
EAGLE LAKEEagle Lake, TX6
BRAZORIABrazoria, TX5
KURTENKurten, TX5
FRANKLINFranklin, TX4
DEANVILLEnot matched4
CALVERTCalvert, TX4

Top 25 of 55 rate centers.

Number supply in 979

An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 412 are assigned in 979, 52% of 800. 61 were assigned in 2020 or later.

Area code 979: central office codes by decade assigned
Decade assignedExchangesShare
2000s9047%
2010s4222%
2020s6132%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

Getting a 979 number for your business

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

Porting a number you already use in area code 979 is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

Frequently asked questions

Where is area code 979?

979 is a geographic area code in Texas. Places with the most assigned exchanges include Bryan, Angleton, Freeport, and Brenham.

What time zone is area code 979 in?

NANPA lists 979 in the Central time zone.

When did area code 979 go into service?

NANPA records an in-service date of February 19, 2000. The code was assigned on September 2, 1999.

Is 979 an overlay area code?

No. NANPA does not list 979 as part of an overlay.

Can my business get a 979 phone number?

Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 979 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.