Casa Grande, Arizona Area Codes & Phone Number Distribution

Estimated Number of Assigned Phone Numbers in Casa Grande, Arizona

591,000

In Casa Grande, Arizona, wireless numbers account for 55.5% of assigned numbers, above the statewide average of 39.0%. Casa Grande's wireline and VoIP share is 10.5 percentage points lower than the statewide average. Compared with the state overall, Casa Grande has a more concentrated wireless assignment mix. Casa Grande is served by a single area code (520).

Area Codes Used by Casa Grande, Arizona

520

Estimated Service-Type Mix of Assigned Phone Numbers in Casa Grande, Arizona

Total assigned 591,000

Wireless

328,000 assigned numbers

55.50%

Wireline and VoIP

260,000 assigned numbers

43.99%

Other / Unclassified

3,000 assigned numbers

0.51%

Estimated Share of Wireless Numbers Originally Assigned to Each Carrier in Casa Grande, Arizona

Estimated assigned wireless phone numbers: 328,000

Numbers may later be ported to another carrier, but this chart reflects original number assignment, not current subscriber share.

T-Mobile 163,000 (49.70%)

AT&T Wireless 83,000 (25.30%)

Verizon Wireless 82,000 (25.00%)

Estimated Share of Wireline and VoIP Numbers Originally Assigned to Each Carrier in Casa Grande, Arizona

Estimated assigned wireline and VoIP phone numbers: 260,000

Lumen 138,000 (53.08%)

Onvoy 52,000 (20.00%)

Peerless Network 20,000 (7.69%)

Spectrum 20,000 (7.69%)

Comcast Business 11,000 (4.23%)

Commio 7,000 (2.69%)

GILA LOCAL EXCHANGE CARRIER, INC. - AZ 3,000 (1.15%)

Telnyx 3,000 (1.15%)

Bandwidth 2,000 (0.77%)

MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2,000 (0.77%)

ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 1,000 (0.38%)

VoIP Innovations 1,000 (0.38%)

Other / Unclassified Assigned Numbering in Casa Grande, Arizona

Estimated assigned other or unclassified phone numbers: 3,000

TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 2,000 (66.67%)

FRACTEL, LLC 1,000 (33.33%)

How These Figures Were Built

These figures are estimates based on public phone-number assignment records. They are meant to show the likely mix of assigned phone numbers associated with Casa Grande, Arizona, not live customer counts.

Some providers may have assigned phone numbers tied to this locality even if they do not actively market or sell service locally. These figures reflect public number-assignment records, not confirmed local service availability.

They also do not reflect number portability at the individual phone-number level, so some numbers may now be used on a different network or by a different provider than the original assignment records suggest.